Question about 1992 Chevrolet Cavalier

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1992chevcaviler torque converter solinoyd will not un lock converter

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The torque converter clutch solenoid on the GM 125 transmission will stick when it gets hot and not let the torque converter clutch disengage. It has to be replaced. It is under the side cover. Quite simple to replace once the cover is off. The side cover however is fairly difficult to remove (usually involves dropping the left side of the transaxle).

Posted on Apr 09, 2011

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Drive 20 minutes engine died at engine braked condition engine restarted but dies when auto trans is dropped in drive or reverse


what is the car?
does it have a lock up torque converter for final gear
torque converter is stuck in final drive, lock up or direct drive
you can un plug direct drive to get it going

Nov 02, 2015 | Cars & Trucks

1 Answer

Does a 1996 ford explorer 4.0 eddie baurer have a lock out torque converter


do you mean a Lock-up torque converter ? if so yes ford made electrically lockable torque converters since 94 ( all torque converters are hydraulic activated ,lock-up is proformed using a electric solenoid ) , but only certain transmissions made by ford had them , decode your vin number on left corner of dash to determine if you have E4od transmission or 4a400 model these have solenoid
I ask this because to my knowledge only race cars use a LOck out converter (aka "transbrake") for very high hp startss

Apr 17, 2015 | 1996 Ford Explorer

1 Answer

P0740 honda odyssey


P0740 Honda - Transmission Lock-Up Control System Fault Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness is open or shorted
- Torque converter clutch solenoid valve circuit poor electrical connection

Tech notes
On some Honda vehicles the P0740 code may be set by an overheating torque converter problem which is caused by an insufficient flow to the torque converter release circuit.

P0740 Honda Description
The torque converter clutch solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (ECM). Lock-up piston operation will then be controlled. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter.
Lock-up operation, however, is prohibited when A/T fluid temperature is too low.
When the accelerator pedal is depressed (less than 2/8) in lock-up condition, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.

Dec 04, 2013 | 2000 Honda Accord

1 Answer

I just read on "Just Answers" about a similar problem about my 93 Buick Century torque converter clutch solenoid, that said as a temporary fix i could just un-plug the solenoid. Will that cause any more...


No idea its a auto or a granny box as they are known here in spain ,now to the un initiated mainly myself the torque converter clutch is mystifying as the only clutch in a auto box from my college days 40+yrs ago was the front clutch which has to engage before the gearbox will work and the front pump is driven by the input shaft from the converter which provides the pressure to work the gearbox brain and operate the pistons that lock the clutch and gears into place ,but ? iam old and no one wants my old fashioned time warp technology anymore

Aug 12, 2013 | 1993 Buick Century

1 Answer

Cutting off when car is at stop sign.


the torque converter is locked in over drive mode either the torque converter is bad or solenoid on trans valve body is faulty but there is a plug on driver side of trans usually its white on gm if you un plug it your stalling problem will go away but so will over drive just uses more gas when speed above 45 isn achieved

Feb 28, 2013 | 1997 Chevrolet Lumina

1 Answer

1998 jeep grand cherokee 4x4. have the p0740 code. have to start from neutral, then shifts faily well. May start fluttering and making noise, have to put back to N, then to D and once again will shift. ...


P0740 JEEP - Torque Converter Clutch Circuit
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission shift shock
- Vehicle may not shift into the highest gear

Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted

When is the code detected?
Torque Converter Clutch (TCC) unlocked for 10 sec., ECM commands converter lock-up and did not record engine speed drop.

P0740 JEEP Description
The torque converter clutch solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (ECM). Lock-up piston operation will then be controlled. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter.

Lock-up operation, however, is prohibited when A/T fluid temperature is too low.

When the accelerator pedal is depressed (less than 2/8) in lock-up condition, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.

Mar 27, 2011 | 1998 Jeep Cherokee 4WD

1 Answer

Speedometer drops to zero and car stalls when braking?I have a 1999 1.8lx ford focus.


Check your brake lights, I bet they don't work.

Your issue is the Lock-UP torque converter is not un-locking when you depress the brakes (or let up on the accelerator), which it SHOULD DO.

Check you fuses first, then the "BOO" (brake on-off) switch on the pedal under the dash. Sometimes the wire breaks at the switch connector.

Feb 05, 2010 | 2000 Ford Focus

2 Answers

Lock in sensor torque converter


the torque converter doesnt have a fuse it isnt electronic

Dec 31, 2009 | 1992 Chevrolet C1500

2 Answers

Yellow check engine light came on; code; P0741 refers to possible torque converter problem. car runs fine. what else could it be?


Audi code P0741 Torque Converter Clutch Circuit Performance or Stuck Off, THIS IS IN MOST CASES A STUCK TORQUE CONVERTER LOCK UP CLUTCH, U MAY NOT EVEN NOTICE THIS AS ALL GEARS WILL WORK JUST NO TORQUE CONVERTER LOCK UP, U WILL NEED TO VERIFY THE TORQUE CONVERTER CLUTCH CIRCUIT IS OK AND IF SO REPLACE THE TRANSMISSION TORQUE CONVERTER.

Jun 30, 2009 | 2001 Audi A6

1 Answer

Volkswagen 01M torque converter stuck


You have to be very careful with input shaft rings. They like to eat into the pump stater. Also always buy new vb don't buy rebuilt because they only work 2 out of 5 times. I know this for experience

Jun 27, 2009 | 1996 Volkswagen Jetta

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