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Q: Why does your 1991 Pontiac sunbird torque converter unlock at 37 mph?
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Where is the torque converter part throttle unlock solenoid located?

It is mounted above the valve body on a dodge 42re trans.


Whats the difference between a lock up torque converter and a stock one?

A standard torque converter always transmits the power through the fluid - even at crusing speed. This results in slippage and reduced effeciency. With a lock up torque converter clutch, once you are near crusing speed the clutch locks up the torque converter so that it rotates as a solid unit. If you need extra power - climbing a steep hill, etc it will unlock. As a result you have improved fuel mileage and less heat generated in the transmission. If you have a tach you will see the RPM drop about 200 ( more or less) when the clutch locks.


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So this would cause the car to only run if manually pressing throttle?? Have a 1987 Dodge Aries station wagon


Can a torque converter cause a car to shake and go dead when it comes to a stop?

Absolutely it can! What is happening is when the transmission is trying to unlock the torque converter and downshift to a stop, it isn't coming unlocked, and thus the engine is still locked to the wheels, like not pushing the clutch on a manual. You can avoid this hopefully by putting the transmission into neutral when coming to a stop, or try tapping the gas when the shaking starts to see if you can force it unlocked. See your Jeep or local auto shop to have them look at it. They may possibly need to replace the entire torque converter. . (This is from personal experience with the 32RH Transmission in a 99 Jeep Wrangler)


Why did engine stall at stop sign and would not restart with engine at normal temperature with adequate fuel available.?

the engine locks up at about 50 or 60km and sometimes it doesn't unlock. you have to take out that sensor I believe it's the torque converter.


1990 acura legend sedan torque converter how do you disconnect the lockup part of the converter it locks up too soon?

hi, I am researching the same thing. 89 accura legend torque lock wont unlock. I have found what the solenoid looks like and it has a plug. I am thinking about unplugging it and see it that helps. but I am unsure how this will effect the rest of the system. Also it might be operated by a relay somewhere ( havn,t found this out yet) thanks


Why does my 1995 grand am auto trans lock up?

It could be the TCC valve, It's a Valve in the transmission that sets the torque converter. when going at highway speeds. but what happens is with the late 90s GM cars the heat from them transmission. when it hits like 200* the Torque converter wont unlock, hense why your transmission locks up. the valve cost about 40-50 bucks at any auto parts store. but the really sinker is the cost to install it.


What causes the torque converter to lock and unlock at low speeds on my 1999 dodge diesel truck?

Normal cause is electrical noise in the APPS circuit, dirty battery cables, dirty ground locations, and bad alternator brushes can all be the cause.


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How do you unlock your 91 Pontiac Grand Am stereo?

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