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How do I unlock a torque converter on a 99 jeep Cherokee

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Cant unlock torque converter when internal malfunction occurs torque converter has to be replaced. sound like you have faulty TRANSMISSION TCC SOLENOID SWITCH. if torque converter stalling out the engine.

Posted on Jul 09, 2013

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96 Jeep Grand Cherokee torque converter front shaft seal


the torque converter does not have a seal. there is a front pump seal in the ****** ,and you have to drop the ******

Oct 29, 2012 | 1996 Jeep Grand Cherokee

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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

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How much trasmission fluid to you need to do a flush on a 1995 Jeep Grand Cherokee straight 6?


The torque converter holds about 4 -6 qt's itself.Not positive on your model would star with 4 then check.This is if you did not remove the torque converter, good luck to you.

Mar 27, 2011 | Jeep Grand Cherokee Cars & Trucks

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Revving heaps to get moving in first and slipping in other gears. Its a 93 Jeep cherokee automatic


Sounds like a bad transmission that has a problem with the torque converter or worn out clutches in all gears. More likely a bad torque converter, I would guess.

Jan 21, 2011 | 1994 Jeep Grand Cherokee

1 Answer

My 95 jeep cherokee shuts off when shifted into


sounds like the torque converter lock up.The torque converter lock up for over drive is stuck on.My only concern with this is you say it will move and run in reverse?

Feb 12, 2010 | 1995 Jeep Cherokee

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How do I check the fluid in the bell housing on a 1994 Jeep Grand Cherokee?


The fluid that is inside of your torque converter, which is located in the bell housing is your transmission fluid.. If your tranny fluid level is good, then the fluid inside of your torque converter is good...Now if you are leaking fluid from that area, it could be either your front seal that is inside the bell housing, or your rear main oil seal......

Dec 28, 2009 | 1994 Jeep Grand Cherokee

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I have a 99 jeep cherokee the trans is leaking fluid out the front and I think the torque converter is clanking and pinging does , do you think it is the front seal and the torqu converter?


The noise may be flywheel bolts loose. What color is the fluid?
Red is trans= front seal in trans leak
Black is oil= rear main seal on engine

Jul 12, 2009 | 2004 Chrysler Sebring

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1999 jeep cherokee classic check engine light codes


po743 is torque converter curcuit electrical. i would check and see if the torque converter clutch switch is ok!!

Mar 31, 2009 | 1999 Jeep Cherokee

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