Question about 1994 Jeep Grand Cherokee

1 Answer

Clutch slip (automatic transmission)

When lever selected on drive mode,it's seems as if the clutch is sliping, and the vehicle never moves, but after a while , it's start's moving ,but very slow and then stop. But when applying 4x4 at the moment there was no movement, after a while,it's moves again with high amount of torque and then stoped.

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  • akkcom Nov 08, 2008

    Thanks for your assistance, I had already done the same thing, I got a good output by doing so. Now the vehicle is moving, but not changing correctly/properly. But what I found out now is that, the 4x4 is on (all four wheels are driving), even when the 4x4 (lever) is on the indicate 4-All time position, its still running on 4 wheels.

    If I placed the 4x4 on 4 Low, the vehicle seams to be running but with few gear changing when on high way, and with good amount of torque. But my question now is ! why is it driving on 4 low with more torque/power with few gear changing instead of 4-All Times position, which is the correct position for the lever to be at all time when driving on normal condition,but still driving on 4x4 even when on 4-All time position, the vehicle is moving, but you need to accelerate very high for the vehicle to move, and it's also moving with less torque/power. Can any one helps with this kind of problems.

  • akkcom Nov 10, 2008

    also having a problem with rear differential, what I found-out in the rear differential is, when I jacked the vehicle up, trying to turn the wheels by hand, they are very strong in rotating. So I decided to removed the main shaft/propeller shaft for me to see if it's the transmission having problem, but not at all, even though when I removed the shaft, the rear wheel's where very strong. is this normal for the rear wheel's to be like that(strong to rotate).

    Also When Auxiliary lever is on 4x4 full time position, is it possible for all for wheels to rotate when on drive mode.



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Remove the transmission pan. Check fluid for burnt smell, water contamination, (on 2pc fill tubes water can get in) debris (either clutch material or metal) Change filter and refill. If problem gets substantially better, change oil again in about a week. If problem remains the same and there was a lot of debris or oil really smelled bad, you likely have burned clutches and need a rebuild. Compare smell and colour with another vehicle... trans oil never smells really "good".

Posted on Nov 07, 2008

  • Richard Scordino Nov 08, 2008

    as far as I know, there is no control connection between trans and transfer case (except that the trans feeds transfer case power through its output shaft) though they are bolted together, they would work the same even if seperated and connected by a driveshaft. However, if the seperator seals have failed, then debris from the transmission can enter the transfer case and screw it up (but I'm not sure how much)
    Before you do more damage (trans is definitely out to lunch) have the trans rebuilt or replace it. At the same time, open up the transfer case and clean it out (if lots of miles on it, change the chain while your'e in there.

  • Richard Scordino Dec 11, 2008

    There are a couple of different front axles/controls on these puppies,,,, I would recommend that a shop takes a look at yours. Generally a vehicle can tell a tech more than you can verbalize, especially since your problem likely makes sense to you but is difficult to follow. A good diagnosis depends upon clear communication, especially when working on a complex problem.... Good Luck!!!



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    • Avoid jerks and jolts while driving.
    • Avoid "riding the clutch", i.e. needlessly keeping your foot on the clutch pedal.
    • Never use clutch slipping for regulating the speed of a heavy truck!
    • Make sure the clutch of a manual transmission is fully pressed when shifting
    • Do not use excessive force when shifting a manual.
    • For rear wheel drive (RWD) vehicles, avoid driving through places at the minimum of the vehicle's clearance.

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    • The clutch is designed to smoothly disconnect the engine from the rest of the drive-train.
    • The clutch disengaging too low or too high is an indication of a worn out trailing disc.
    • There are implements that allow an automatic gearbox to operate in semi-automatic mode, allowing the driver to manually shift gear up or gear down, but w/o using a clutch. These operate exclusively by aids of electronics. This is common in high-class German cars like the S-Klasse Mercedes. Usually the corresponding position of the lever is marked with T or M and the driver selects a gear down by moving the lever to the left, and a gear up by nudging it do the right.
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