Lock|up not unlocking

Lock-up torque converter not unlocking until 1st gear

The lockup torque converter does not unlock while the tranny downs shifts until it hits first gear, resulting in a very sudden deceleration spike for a second ...

Torque converter not fully unlocking | Cummins Diesel Forum

So I have an 04 with a 48re, So it's the weirdest thing sometimes when I start it up(not everytime) it will partially lock the converter ...

Torque Converter not unlocking at stops??

I don't get any check engine lites, and it is mostly before the car is warmed up well. Could thgis be a loose connection, or maybe a bad TCM ...

Lock up torque converter won't unlock - Turbo Buick Forum

If shorted inside the transmission to metal the lockup will occur all the time you don't have your foot on the brake pedal which opens the +12 ...

Symptoms of torque converter that won't unlock?

No, I mean when the car was turned over (engine gone - didn't start!), the torque was kinda "sucked" up to the tranny - now they are both laying ...

TCC lock up & unlock & repeat - ThirdGen.Org

Stepping down a little farther it stays unlocked, stepping down further it down shifts as supposed to. All up/down shifts are good. Ideas? Go to ...

Diagnosing Lock-up Failure - YouTube

Back to back tech tips this week! We're plunging even further into our diagnostics journey with Lock-up failure being next on the list, ...

How do i unlock a lock -up converter - LS1Tech.com

I had this EXACT same problem and the problem turned out to be a burnt Torque Converter lockup clutch that was no longer fully disengaging.

4l80e torque converter not unlocking?? - Yellow Bullet Forums

Drove and raced the car all year last year and parked it with everything working perfect. 4l80e with hd2 shift kit, circle d lock up ...

Torque Converter stuck locked, typical fixes have no effect

After warming up, the TC will lock. It also will unlock randomly and stay unlocked for a little while. If I turn the truck off while it's ...

Torque Converter Won't Unlock | Turbo Diesel Register

If the soleniod for the TCC lock-up will not disengage, it will cause the symptom above. You will have to drop the Valve body to replace the ...

Torque converter unlocking and not locking back up

I have since replaced all of the shift solenoids, the TC lock up solenoid twice and replaced the trans control module with JY one. After all ...

Torque Converter Lock/Unlock Issue - Mopar1973Man.Com LLC

If I set the cruise at say 35 mph and then accelerate up to 45-50 mph, it will not cycle the torque converter. In tow haul at 45-50 mph it ...

Torque converter locking/unlocking? - DODGE RAM FORUM

When it's in od and catches up with the TPS voltage and throttle position, the computer turns off OD lock up. Step on it a Little, you can feel ...

Lock-up not unlocking - Grand Prix Forums

Excessive debris in the transmission or a failing torque converter lockup clutch can cause the solenoid to have debris stuck inside and this causes a ...

Torque converter locking and unlocking? maybe? - ThirdGen.Org

The vacuum switch is mounted to the brake switch so that the lock up is terminated when the brake pedal is pressed on the 700R4 trans. Not ...

TROUBLE SHOOTING FOR ALL LOCKUP MODELS

Wait one minute and try again or touch a registered Manager Key to gain immediate access. If the lock does not unlock with a User Code or ADA User Key: When ...

Torque Converter Lock / Unlock Issues - Mopar1973Man.Com

What is bugging me to no end is the fact there is all these wild write up of people adjusting APPS sensors, wiring mods, extra grounds, filters, ...

torque converter is cycling lock/unlock

Like I said its not turning on the check engine light. Anyone ever heard of this happening before? Its a 99 silverado NBS 5.3 and 4L60E and it ...

Torque converter locks up and won't unlock - DodgeTalk Forum

As far as having nothing to do with the lock up or od. Why does it fix the problem if i adjust the cable? I am not ruling out the torque ...