Torque converter going in and out of lock up

Dec 03, 2018 · GM Convertor Lock-Up and the TCC Solenoid. GM Hydramatic transmission. There is a solenoid in your GM converter that causes the the torque convertor clutch (TCC) to engage and disengage. When the TCC solenoid receives a signal from the engine control module (ECM), it opens a passage in the valve body and hydraulic fluid applies the TCC. Dec 03, 2019 · Torque converters use a lock up clutch to create a true 1:1 connection between the engine and the wheels. It won’t do this at lower speeds so your F150 can take advantage of the torque multiplication that a torque converter provides. If the torque converter fails to unlock at lower speeds, it shudders. Sep 05, 2022 · This only happens in OD obviously.... My torque converter will go in and out of lock up.....if this a temp sensor issue or a torque converter issue. Trans fluid is full and clean. Jasper built 47re trans. Not sure about the torque converter though. I'm assuming it is not stock either. Not much on the truck is anymore. My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. 6/2/2021 · What To Do When Torque Converter Locks Up? Most times, converters lock up and unlock without any reasonable action from the driver. That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. If the torque converter is locked in the drive or idling gear and does not release the transmission, you most likely have a problem with the converter clutch. A faulty torque converter clutch can also cause other symptoms such as slipping and rough acceleration. 4. Faulty Torque Converter Clutch SolenoidMay 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... Mar 16, 2018 · what in your opinion would cause (causes) a torque converter to stay locked on a 700r4 causing the engine to stall ? i just replaced the torque converter after replacing transmission pump in the transmission. i also replaced the decant cable and reset. i had perfect operation of the transmission for a couple hundred miles then suddenly stated having an occasion hard shift into second feeling ... Lockup converters are torque converter types that contain a clutch. The clutch will automatically engage at some point during acceleration, which locks up the engine to the transmission input shaft. This eventually delivers a direct 1:1 drive ratio. Lockup converters are believed to promote fuel economy and are found in most modern vehicles.11/4/2022 · Most times, torque converters will lock and unlock without any particular reason. This means converters can lock and unlock automatically. Torque converters can lock up mainly due to acceleration and deceleration. Stay calm and take your car to the professionals if you suspect a locked up converter. Aug 24, 2020 · B&M may beable to tell you how much power/torque should beput through the lockup converter when it islocked up or going in and out of lockup.I got most of this info. off the B&M web page.Good Luck. W.V. - &nbsp John; You pretty much covered it.&nbsp One other thing should be noted though. The selection of "lock-up" converters is rather limited. 9/2/2021 · The Working Of Lock Up Torque Converters A lock up clutch is engaged as soon as the engine and the transmission run at the same speed approximately. The speed at which a lockup mechanism automatically activates is about 64 kph. For transmission to lockup, however, some requirements follow. May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. Nov 08, 2019 · Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2. If your car's torque converter is going out, you'll likely notice one or more troubling symptoms. You'll want to address the issue as soon as possible to avoid potentially damaging the transmission. ... A converter clutch that stays locked up can cause an increase in engine coolant temperature. Similarly, a locked stator one-way clutch ...Discussion Starter · #1 · Nov 1, 2010. I have a 2001 dodge cummins with 47re and my torque converter doesnt always lock up. some days it will lock up and work and then some days it wont. if i can get it to lock in when i get on the interstate after about an hour of driving it will slowly unlock an then wont lock up again. i have tried a lot ...May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. Jan 28, 2010 · Lockup torque converters release anytime the brakes are applied. If the brake switch input to the PCM indicates the brakes are on the TCC will release. Put your foot under the brake pedal and hold it up. Simple test. I loosened the screws that hold the switch and pulled it back then retightened the screws. Problem fixed. K kylecummins89 Registered My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... Aug 24, 2020 · B&M may beable to tell you how much power/torque should beput through the lockup converter when it islocked up or going in and out of lockup.I got most of this info. off the B&M web page.Good Luck. W.V. - &nbsp John; You pretty much covered it.&nbsp One other thing should be noted though. The selection of "lock-up" converters is rather limited. Aug 24, 2020 · B&M may beable to tell you how much power/torque should beput through the lockup converter when it islocked up or going in and out of lockup.I got most of this info. off the B&M web page.Good Luck. W.V. - &nbsp John; You pretty much covered it.&nbsp One other thing should be noted though. The selection of "lock-up" converters is rather limited. 479 Posts. #6 · Jun 15, 2005. Mark, you'll definately want a lockup converter. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isn't as much of a concern becuase of the short time you're actually running it. Edge makes an awesome converter that will really wake up your car.Feb 06, 2021 · What To Do When Torque Converter Locks Up? Most times, converters lock up and unlock without any reasonable action from the driver. That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. May 07, 2007 · Fredsvt. Super Moderator. Joined May 2, 2004. 3,613 Posts. #6 · Mar 27, 2008. Yes, TPS is throttle position sensor. I've noticed that they are very picky when it comes to that sensor, it must be set perfectly in order for lockup to work. Also, make sure the grounds at the thermostat housing are very clean and tight. Jan 30, 2019 · The stator is placed in the center of the torque converter. It has large blades that redirect the fluids coming in and out of the mechanism before they get a chance to hit the pump. More modern iterations of the torque converter may come with a lockup clutch. Nov 07, 2019 · It is also NOT part of the main drive action to open/close the throttle air butterfly plate of the TB. One of the symptoms is trans shifting issues. This part is used on a great number of GM years and motors, and I found that Standard Motor Products Part # ST445 is used for this 3.5 and MANY MANY GM applications. May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you're going to have a nice and smooth ride. If it fails, you're in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ...Jan 28, 2010 · Lockup torque converters release anytime the brakes are applied. If the brake switch input to the PCM indicates the brakes are on the TCC will release. Put your foot under the brake pedal and hold it up. Simple test. I loosened the screws that hold the switch and pulled it back then retightened the screws. Problem fixed. K kylecummins89 Registered Solution #3: Consider the weight of your vehicle. The lighter the vehicle, the lower the stall speed will end up being-and vice versa. Again, consider switching to a converter with a different stall speed if you have a light vehicle. Solution #4: Engine torque has a drastic effect on stall speed. For example, a torque converter will stall ...Jan 28, 2010 · Lockup torque converters release anytime the brakes are applied. If the brake switch input to the PCM indicates the brakes are on the TCC will release. Put your foot under the brake pedal and hold it up. Simple test. I loosened the screws that hold the switch and pulled it back then retightened the screws. Problem fixed. K kylecummins89 Registered Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ... May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... Aug 19, 2022 · The green LED comes on to indicate when the torque converter is locked up. It is interesting to watch, the torque converter comes on at 45 k/h when the car is in drive or 3rd gear in economy mode. Switch in down position = torque converter manual lock-up. In this position the torque converter relay is is connected to 12V, thus switched on. Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. If your car's torque converter is going out, you'll likely notice one or more troubling symptoms. You'll want to address the issue as soon as possible to avoid potentially damaging the transmission. ... A converter clutch that stays locked up can cause an increase in engine coolant temperature. Similarly, a locked stator one-way clutch ...Jun 14, 2005 · 479 Posts. #6 · Jun 15, 2005. Mark, you'll definately want a lockup converter. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isn't as much of a concern becuase of the short time you're actually running it. Edge makes an awesome converter that will really wake up your car. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. Discussion Starter · #1 · Nov 1, 2010. I have a 2001 dodge cummins with 47re and my torque converter doesnt always lock up. some days it will lock up and work and then some days it wont. if i can get it to lock in when i get on the interstate after about an hour of driving it will slowly unlock an then wont lock up again. i have tried a lot ...May 19, 2010 · Here is what my trans is doing. I can drive down the road for an hour or two, then the trans torque converter under regular driving conditions will just unlock, and then relock. It will do this over and over, sometimes seconds apart, sometimes minutes apart, and might stop again, and start doing... A torque converter clutch is responsible for locking the engine and transmission into direct drive. If the torque converter has been burned by overheating, become While driving down level road is fine, once you start going up any type of incline, it starts to feel like its slipping out of gear.. untill you push.5/5/2020 · Torque converter lock up is one of those things that can be easily overlooked in the normal operation of any newer automatic transmission. With the computer controlled transmissions we are used to driving today the converter will lock and unlock without us ever realizing what’s going on. The lock up converter was introduced in the late 1940’s, but due to the extra costs, it never gained ... When your vehicle is slowly coming to a halt, the torque converter only receives a small amount of torque. This means that only a small amount of force is needed on the brake pedal to bring the car to a complete and total stop. Meanwhile, pressing the gas pedal delivers a large amount of torque.Torque converter lock up problems 1999 Chevy Suburban C1500, 5.7L. 118000 mi At steady state cruising speed the torque converter seems to go in and out of lock up. I'll be doing a steady 65mph on flat ground and the engine RPM will go from 1700 to 2000 and back again. It's like its hunting between gears, but the transmission is in top gear.Apr 29, 2010 · You can place a check ball in the end of the lock up solenoid and re-install the solenoid.. the trans converter will lock up as the trasn shifts to 2nd gear and stay locked up till the trans drops back to first gear. There is no lock up oil provided in first gear Nov 08, 2019 · Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2. Feb 06, 2021 · That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. >>Learn what causes a torque converter to fail. Conclusion. Knowing if the torque converter is locking up is all about ... 22/12/2015 · Anyway, the transmission shifts just fine. But, once the Torque Converter locks-up it seems extremely touchy about kicking-out and in at speeds from about 35 to 55, even on the level. Seems at faster speeds (above 60-65) it is not so touchy. The transmission was rebuilt in 2010 and has about 12k miles on the rebuild with 227k miles on the ... Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2.Oct 17, 2014 · Solution #3: Consider the weight of your vehicle. The lighter the vehicle, the lower the stall speed will end up being–and vice versa. Again, consider switching to a converter with a different stall speed if you have a light vehicle. Solution #4: Engine torque has a drastic effect on stall speed. For example, a torque converter will stall ... Torque converter lock up problems 1999 Chevy Suburban C1500, 5.7L. 118000 mi At steady state cruising speed the torque converter seems to go in and out of lock up. I'll be doing a steady 65mph on flat ground and the engine RPM will go from 1700 to 2000 and back again. It's like its hunting between gears, but the transmission is in top gear.The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you're going to have a nice and smooth ride. If it fails, you're in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ...Unlocking the torque converter is achieved by disconnection of the +12 volts, or the transmission downshifts out of 4th gear. We also include a cruise control style brake switch that works perfectly to disconnect the +12 volt power to the lock up module when the brakes are applied.A torque converter clutch is responsible for locking the engine and transmission into direct drive. If the torque converter has been burned by overheating, become While driving down level road is fine, once you start going up any type of incline, it starts to feel like its slipping out of gear.. untill you push.May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... Dec 03, 2019 · Torque converters use a lock up clutch to create a true 1:1 connection between the engine and the wheels. It won’t do this at lower speeds so your F150 can take advantage of the torque multiplication that a torque converter provides. If the torque converter fails to unlock at lower speeds, it shudders. Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ... Aug 19, 2022 · The green LED comes on to indicate when the torque converter is locked up. It is interesting to watch, the torque converter comes on at 45 k/h when the car is in drive or 3rd gear in economy mode. Switch in down position = torque converter manual lock-up. In this position the torque converter relay is is connected to 12V, thus switched on. Aug 19, 2022 · The green LED comes on to indicate when the torque converter is locked up. It is interesting to watch, the torque converter comes on at 45 k/h when the car is in drive or 3rd gear in economy mode. Switch in down position = torque converter manual lock-up. In this position the torque converter relay is is connected to 12V, thus switched on. Nov 08, 2019 · Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2. May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. 6/2/2021 · What To Do When Torque Converter Locks Up? Most times, converters lock up and unlock without any reasonable action from the driver. That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. Bitumen is a product of Crude oil Distillation. It is a semi-solid hydrocarbon product produced by removing the lighter fractions such as (liquid petroleum gas, petrol an. d diesel) from heavy crude oil during the refining process. As such, it is correctly known as refined bitumen. In North America, bitumen is commonly known as asphalt cement ....Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ... May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ...May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... The 4l60e torque converter is designed to lock up primarily in 4th gear (can also be enabled to lock up in 3rd gear as well), so when it doesn't lock, it's quite noticeable. When a converter locks, it lowers the RPMs and usually feels like going into another gear. When it doesn't lock however, RPMs will keep climbing in 4th gear.Sep 05, 2022 · This only happens in OD obviously.... My torque converter will go in and out of lock up.....if this a temp sensor issue or a torque converter issue. Trans fluid is full and clean. Jasper built 47re trans. Not sure about the torque converter though. I'm assuming it is not stock either. Not much on the truck is anymore. 479 Posts. #6 · Jun 15, 2005. Mark, you'll definately want a lockup converter. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isn't as much of a concern becuase of the short time you're actually running it. Edge makes an awesome converter that will really wake up your car.Nov 08, 2019 · Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2. Jul 25, 2002 · 2. Un-lock only. 3. Lock only. BTW, forcing the converter to lock-up at slow speeds might be bad for the trans. Also, it would probably stall the motor when coming to a stop if the switch is left in the "locked" position. Just like coming to a stop in a 5-speed without pushing in the clutch. Good luck. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. Jul 25, 2002 · 2. Un-lock only. 3. Lock only. BTW, forcing the converter to lock-up at slow speeds might be bad for the trans. Also, it would probably stall the motor when coming to a stop if the switch is left in the "locked" position. Just like coming to a stop in a 5-speed without pushing in the clutch. Good luck. If your car's torque converter is going out, you'll likely notice one or more troubling symptoms. You'll want to address the issue as soon as possible to avoid potentially damaging the transmission. ... A converter clutch that stays locked up can cause an increase in engine coolant temperature. Similarly, a locked stator one-way clutch ...18/6/2021 · If the torque converter clutch fails to release, the vehicle may stall when coming to a stop. The problem will feel much like a manual transmission vehicle stopping with the clutch engaged (pedal released). Overheating. A converter clutch that stays locked up can cause an increase in engine coolant temperature. Similarly, a locked stator one ... Jan 28, 2010 · Lockup torque converters release anytime the brakes are applied. If the brake switch input to the PCM indicates the brakes are on the TCC will release. Put your foot under the brake pedal and hold it up. Simple test. I loosened the screws that hold the switch and pulled it back then retightened the screws. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. 21/1/2022 · There are several clutches in a torque converter. If the torque converter is locked in the drive or idling gear and does not release the transmission, you most likely have a problem with the converter clutch. A faulty torque converter clutch can also cause other symptoms such as slipping and rough acceleration. 4. My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... A torque converter clutch is responsible for locking the engine and transmission into direct drive. If the torque converter has been burned by overheating, become While driving down level road is fine, once you start going up any type of incline, it starts to feel like its slipping out of gear.. untill you push.Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. Jun 14, 2005 · 479 Posts. #6 · Jun 15, 2005. Mark, you'll definately want a lockup converter. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isn't as much of a concern becuase of the short time you're actually running it. Edge makes an awesome converter that will really wake up your car. on August 08, 2016 My SUV's torque converter goes in and out of lock up when going a steady cruising speed. While driving a constant 65 mph, on level ground, the engine RPMs will go from 1700 to 2000 and then back again. It acts as if it is hunting between gears; however, the transmission is in top gear.This lets the torque converter lock in "gear" or unlock out of "gear." If you think of it in a non-technical way, the torque converter clutch does the same thing inside an automatic transmission that your standard clutch does on a manual transmission. If the TCC fails to disengage when the vehicle comes to a stop, the engine will stall .A rather simple test can determine whether the torque converter is failing.This is how to carry it out: Turn the ignition key and start up the engine. Wait for a few minutes for the engine to warm up, then gently press the accelerator twice and rev up the engine.My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... Push the tip of your tester into one wire and the tester should light. Now test the other wire and again the tester should light. Depress the brake pedal and re-test. Only one wire should now be hot. Test #4 Adjusting/Replacing the Brake Switch Remove the brake switch from its bracket. Reconnect the wires to the brake switch.Mar 16, 2018 · what in your opinion would cause (causes) a torque converter to stay locked on a 700r4 causing the engine to stall ? i just replaced the torque converter after replacing transmission pump in the transmission. i also replaced the decant cable and reset. i had perfect operation of the transmission for a couple hundred miles then suddenly stated having an occasion hard shift into second feeling ... The main benefit to a torque converter is that the engine will keep running at a standstill. This is due to the fact that a torque converter provides a hydraulic connection between the engine and the transmission. Whereas, a manual transmission clutch provides a direct physical connection between the engine and the transmission.Jun 14, 2005 · 479 Posts. #6 · Jun 15, 2005. Mark, you'll definately want a lockup converter. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isn't as much of a concern becuase of the short time you're actually running it. Edge makes an awesome converter that will really wake up your car. Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ... 11/4/2022 · Most times, torque converters will lock and unlock without any particular reason. This means converters can lock and unlock automatically. Torque converters can lock up mainly due to acceleration and deceleration. Stay calm and take your car to the professionals if you suspect a locked up converter. 5/5/2020 · Torque converter lock up is one of those things that can be easily overlooked in the normal operation of any newer automatic transmission. With the computer controlled transmissions we are used to driving today the converter will lock and unlock without us ever realizing what’s going on. The lock up converter was introduced in the late 1940’s, but due to the extra costs, it never gained ... Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ...Aug 19, 2022 · The green LED comes on to indicate when the torque converter is locked up. It is interesting to watch, the torque converter comes on at 45 k/h when the car is in drive or 3rd gear in economy mode. Switch in down position = torque converter manual lock-up. In this position the torque converter relay is is connected to 12V, thus switched on. 6/2/2021 · What To Do When Torque Converter Locks Up? Most times, converters lock up and unlock without any reasonable action from the driver. That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. Unlocking the torque converter is achieved by disconnection of the +12 volts, or the transmission downshifts out of 4th gear. We also include a cruise control style brake switch that works perfectly to disconnect the +12 volt power to the lock up module when the brakes are applied.May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. However, when the engine turns more slowly it causes the torque converter to slip, creating heat. Slipping reduces fuel economy and heat can damage the converter and the transmission. The solution is to lock the converter. Lock-up eliminates the slippage, which reduces heat and improves fuel economy. Answer ID 78 | Published 08/24/2001 04:08 PM ...Mar 16, 2018 · what in your opinion would cause (causes) a torque converter to stay locked on a 700r4 causing the engine to stall ? i just replaced the torque converter after replacing transmission pump in the transmission. i also replaced the decant cable and reset. i had perfect operation of the transmission for a couple hundred miles then suddenly stated having an occasion hard shift into second feeling ... Mar 31, 2018 · Connect one end of a test light or jumper wire to terminal A at the ALDL. Go for a road test. (This can also be done on the lift) At approximately 35 mph, connect the other end of the test light or jumper wire to terminal F at the ALDL. The torque converter should Lock-up. My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ... The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you're going to have a nice and smooth ride. If it fails, you're in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ...Nov 07, 2019 · It is also NOT part of the main drive action to open/close the throttle air butterfly plate of the TB. One of the symptoms is trans shifting issues. This part is used on a great number of GM years and motors, and I found that Standard Motor Products Part # ST445 is used for this 3.5 and MANY MANY GM applications. My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... However, when the engine turns more slowly it causes the torque converter to slip, creating heat. Slipping reduces fuel economy and heat can damage the converter and the transmission. The solution is to lock the converter. Lock-up eliminates the slippage, which reduces heat and improves fuel economy. Answer ID 78 | Published 08/24/2001 04:08 PM ...11/4/2022 · Most times, torque converters will lock and unlock without any particular reason. This means converters can lock and unlock automatically. Torque converters can lock up mainly due to acceleration and deceleration. Stay calm and take your car to the professionals if you suspect a locked up converter. Jan 16, 2012 · The purpose of the lock-up feature is to eliminate the slippage that occurs when the transmission is not in "Lock-Up" mode. On my 700-R4 the difference is around 300 rpm or so. The slippage results in the transmission running at a higher temperature which, if too high, over time could result in premature transmission problems. Arnie in Iowa May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... Dec 03, 2019 · Torque converters use a lock up clutch to create a true 1:1 connection between the engine and the wheels. It won’t do this at lower speeds so your F150 can take advantage of the torque multiplication that a torque converter provides. If the torque converter fails to unlock at lower speeds, it shudders. Push the tip of your tester into one wire and the tester should light. Now test the other wire and again the tester should light. Depress the brake pedal and re-test. Only one wire should now be hot. Test #4 Adjusting/Replacing the Brake Switch Remove the brake switch from its bracket. Reconnect the wires to the brake switch.Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. There can be many different causes for certain engine problems. However, if you believe that the torque converter is locked ... 5/5/2020 · Torque converter lock up is one of those things that can be easily overlooked in the normal operation of any newer automatic transmission. With the computer controlled transmissions we are used to driving today the converter will lock and unlock without us ever realizing what’s going on. The lock up converter was introduced in the late 1940’s, but due to the extra costs, it never gained ... A rather simple test can determine whether the torque converter is failing.This is how to carry it out: Turn the ignition key and start up the engine. Wait for a few minutes for the engine to warm up, then gently press the accelerator twice and rev up the engine.May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. Nov 08, 2019 · Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2. Jan 13, 2010 · Best way to check the converter lockup is to get up to around 60mph, level off speed, keep steady pressure of go pedal and slightly depress brake until you start to feel brakes just a little. When you depress brake pedal enough to make brake lights come on, then if converter is locked, it will then unlock and you will see a jump in RPM's. Feb 04, 2014 · Last week when going about 40 to 60 mph in o/d the torque converter lock up has been kicking out mostly when I'm going down a slight grade. I have tried to clean the map sensor and check connections going to it, no change. Even cleaned the battery terminals. No codes are stored and no lights are on. The o/d button works like it always has no ... Discussion Starter · #1 · Nov 1, 2010. I have a 2001 dodge cummins with 47re and my torque converter doesnt always lock up. some days it will lock up and work and then some days it wont. if i can get it to lock in when i get on the interstate after about an hour of driving it will slowly unlock an then wont lock up again. i have tried a lot ...on August 08, 2016 My SUV's torque converter goes in and out of lock up when going a steady cruising speed. While driving a constant 65 mph, on level ground, the engine RPMs will go from 1700 to 2000 and then back again. It acts as if it is hunting between gears; however, the transmission is in top gear.May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. May 15, 2013 · Discussion Starter · #3 · May 15, 2013. Thats the other thing, it doesn't lock up on it's own in tow/haul mode either. It won't shift gears until it hits 3000 rpm or so in tow/haul mode, which is normal but still the TC won't lock up. 1 - 3 of 3 Posts. This is an older thread, you may not receive a response, and could be reviving an old thread. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. My torque converter is going in and out of lock up and now it will only go in some times and it started making a loud nosie like something was about to flye apart but ... Nov 07, 2019 · It is also NOT part of the main drive action to open/close the throttle air butterfly plate of the TB. One of the symptoms is trans shifting issues. This part is used on a great number of GM years and motors, and I found that Standard Motor Products Part # ST445 is used for this 3.5 and MANY MANY GM applications. Nov 08, 2019 · Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2. The 4l60e torque converter is designed to lock up primarily in 4th gear (can also be enabled to lock up in 3rd gear as well), so when it doesn't lock, it's quite noticeable. When a converter locks, it lowers the RPMs and usually feels like going into another gear. When it doesn't lock however, RPMs will keep climbing in 4th gear.Jul 25, 2002 · 2. Un-lock only. 3. Lock only. BTW, forcing the converter to lock-up at slow speeds might be bad for the trans. Also, it would probably stall the motor when coming to a stop if the switch is left in the "locked" position. Just like coming to a stop in a 5-speed without pushing in the clutch. Good luck. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. May 20, 2022 · The torque converter plays a significant role in automatic transmission vehicles. It needs to be in good working order if you’re going to have a nice and smooth ride. If it fails, you’re in trouble. The torque converter is a fluid or hydraulic coupling that converts rotating power generated by the vehicle rotating driven force to mechanical ... Aug 19, 2022 · The green LED comes on to indicate when the torque converter is locked up. It is interesting to watch, the torque converter comes on at 45 k/h when the car is in drive or 3rd gear in economy mode. Switch in down position = torque converter manual lock-up. In this position the torque converter relay is is connected to 12V, thus switched on. Feb 14, 2009 · Last year I towed in 3rd gear at 60mph to allow the TC to stay locked up almost all the time while using cruise control (mostly MI flatland). When I towed in 4th gear (OD) at 60 or 65, the engine would bog on light hills and unlock the TC to maintain speed in cruise control and then lock it back up once the target speed was reached. Unlocking the torque converter is achieved by disconnection of the +12 volts, or the transmission downshifts out of 4th gear. We also include a cruise control style brake switch that works perfectly to disconnect the +12 volt power to the lock up module when the brakes are applied.Bitumen is a product of Crude oil Distillation. It is a semi-solid hydrocarbon product produced by removing the lighter fractions such as (liquid petroleum gas, petrol an. d diesel) from heavy crude oil during the refining process. As such, it is correctly known as refined bitumen. In North America, bitumen is commonly known as asphalt cement ....Jun 14, 2005 · 479 Posts. #6 · Jun 15, 2005. Mark, you'll definately want a lockup converter. Non lockup is mostly suited for the strip where the added slipping and resulting heat buildup isn't as much of a concern becuase of the short time you're actually running it. Edge makes an awesome converter that will really wake up your car. If your car's torque converter is going out, you'll likely notice one or more troubling symptoms. You'll want to address the issue as soon as possible to avoid potentially damaging the transmission. ... A converter clutch that stays locked up can cause an increase in engine coolant temperature. Similarly, a locked stator one-way clutch ...Oct 17, 2014 · Solution #3: Consider the weight of your vehicle. The lighter the vehicle, the lower the stall speed will end up being–and vice versa. Again, consider switching to a converter with a different stall speed if you have a light vehicle. Solution #4: Engine torque has a drastic effect on stall speed. For example, a torque converter will stall ... Feb 06, 2021 · That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. >>Learn what causes a torque converter to fail. Conclusion. Knowing if the torque converter is locking up is all about ... Feb 06, 2021 · What To Do When Torque Converter Locks Up? Most times, converters lock up and unlock without any reasonable action from the driver. That is to say, converters do lock up and unlock automatically. Torque converters can unlock due to acceleration, deceleration, or slow speeds. You’d likely experience convert lock up and unlock, a lot, during a trip. This lets the torque converter lock in "gear" or unlock out of "gear." If you think of it in a non-technical way, the torque converter clutch does the same thing inside an automatic transmission that your standard clutch does on a manual transmission. If the TCC fails to disengage when the vehicle comes to a stop, the engine will stall .Aug 24, 2020 · B&M may beable to tell you how much power/torque should beput through the lockup converter when it islocked up or going in and out of lockup.I got most of this info. off the B&M web page.Good Luck. W.V. - &nbsp John; You pretty much covered it.&nbsp One other thing should be noted though. The selection of "lock-up" converters is rather limited. The Working Of Lock Up Torque Converters A lock up clutch is engaged as soon as the engine and the transmission run at the same speed approximately. The speed at which a lockup mechanism automatically activates is about 64 kph. For transmission to lockup, however, some requirements follow.Jan 13, 2010 · Best way to check the converter lockup is to get up to around 60mph, level off speed, keep steady pressure of go pedal and slightly depress brake until you start to feel brakes just a little. When you depress brake pedal enough to make brake lights come on, then if converter is locked, it will then unlock and you will see a jump in RPM's. Aug 19, 2022 · The green LED comes on to indicate when the torque converter is locked up. It is interesting to watch, the torque converter comes on at 45 k/h when the car is in drive or 3rd gear in economy mode. Switch in down position = torque converter manual lock-up. In this position the torque converter relay is is connected to 12V, thus switched on. Jul 25, 2002 · 2. Un-lock only. 3. Lock only. BTW, forcing the converter to lock-up at slow speeds might be bad for the trans. Also, it would probably stall the motor when coming to a stop if the switch is left in the "locked" position. Just like coming to a stop in a 5-speed without pushing in the clutch. Good luck. Jan 28, 2011 · Torque converter lockup can have a major impact on how your engine performs. The torque converter is a part of the transmission, and you will notice that the engine will hesitate and be underpowered when it is locked up. 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