Question about 1995 Chrysler Town & Country

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How can I tell if my torque converter is locking up?

1998 odge Caravan 3.3 V6

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  • bucklehead Jan 26, 2009

    When coming to a stop or slowing down my van will sometimes stall. My auto mechanic has tried several fixes and none seem to work. he is frustrated as well as I. He has tried several things at no charge because he can't figure it out. He is a certified mechanic and the diagnostic check shows no problems. He suggested that it may be in the transmission. I have noticed recently that when on cruise it slows considerably going up a hill and if I give it gas it will resume the set speed, almost as if the overdrive is slipping altough it noticable to me if it is slipping. I wonder is there a fuel filter that could need changed. any help would be appreciated.
    thanks
    joe

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  • Chrysler Master
  • 2,039 Answers

If it stay lock when you slow down to a stop trany will kit and even stall the engine hope it help fixya our post thanks pierre

Posted on Jul 12, 2008

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Starts & run when put in gear shuts off, will restart 3.8eng will not move as though the trans is locked


There is a good chance that your torque converter is locked due to a torque converter lock-up solenoid malfunction. (pretty common) The torque converter lock-up solenoid is what locks the torque converter to put the transmission into overdrive. When they malfunction, it will cause the transmission to be stuck in overdrive at all times (this is not supposed to happen until the vehicle speed gets over 45 Mph). You must remove the side cover from your transmission to replace the torque converter lock-up solenoid.
Please also be advised that many of the solenoid malfunctions - especially on older, high mileage vehicles, are caused by dirt and debris in the transmission. This debris is usually caused by wear or breakage of internal parts (like clutches or bearings) in the transmission. I would recommend also pulling the lower pan and filter off to see what kind of debris is in the pan and evaluate whether this may be caused by a more serious problem.

Nov 07, 2011 | 1997 Dodge Grand Caravan

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

Computer code for a 1998 dodge caravan po743


The P0743 code is saying there's a problem in the torque converter circuit. Check the circuit and solenoid or take it to the dealer or good tranny shop.

I'd put off the misfire until the tranny issue is solved.

Good luck.

Feb 01, 2011 | 1998 Dodge Caravan

1 Answer

I need the 1993 dodge caravan 3.0 v6 sylinder head bolt torque speks


The correct torque for the head bolts on a 3.0 v6 caravan motor is 70 Ft-lbs. (as stated in my Haynes Service manual)

Dec 19, 2010 | 1993 Dodge Caravan

1 Answer

Where can i go to get instructions on how to change a torque converter seal on a 1998 dodge caravan


If you are going to go to the trouble of pulling the transmission out to work on the torque converter, save yourself a lot of grief and just put a new torque converter in with a rebuilt transmission. When you go that far on a 12 year old vehicle, do it right.

Dec 14, 2010 | 1998 Dodge Caravan

1 Answer

1998 dodge caravan won't shift out of third gear, also the spedometer goes haywire.


VSS VECHICLE SPEED SENSOR COULD BE FAULTY.IT WILL CAUSE SHIFTING TORQUE CONVERTER PROBLEMS. SCAN IT TO GET A CODE.

Nov 06, 2010 | 1998 Dodge Caravan

1 Answer

I have a 1998 dodge caravan.how can you tell if the torque converter is going out?


it's hard to say these days. you have many factors to consider.for your problem I would get several shops input,then make your decsion about whats wrong.
your computer is a compoent,there are sensors,and the converter itself.Sorry I couldn't help more than this.
I know I would like some input rather than be passed over with no reply.Good Luck!

Aug 11, 2009 | 1998 Dodge Caravan

1 Answer

How many qt. of transmsion fluid in a 1998 3.3L dodge caravan se


Appox 4 qts with filter change.
Appox 8-1/2 qts if you refill the torque converter.

Aug 10, 2009 | Dodge Caravan Cars & Trucks

1 Answer

Emissions test code comes up as 0743 torque converter circuit problem. how do you fix this on a 1998 ford windstar 3.8l engine?


U have a problem in the transmission torque converter clutch control circuit, most likely the solenoid switch that applies the lock up clutch of the torque converter is defective or a the torque converter itself is defective, the trans pan will need to be removed to check the problem further.

Mar 09, 2009 | 1998 Ford Windstar

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