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Car Tech forum: grand jeep cherokee vibrating

by: annesloan82 September 27, 2012 11:54 AM PDT

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grand jeep cherokee vibrating

by annesloan82 - 9/27/12 11:54 AM

hi was driving my car the all of a suddenly started vibrating then when i went to stop it was almost as if the car was going to stall but as an its an automatic this shouldnt happen? The only time it doesnt do this is when the car is in reverse.

Is it the gearbox?

jeep grand cherokee 2.7 crd limited diesel automatic 116,000 miles.


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re: grand jeep cherokee vibrating

by jglasser - 9/27/12 3:51 PM

In Reply to: grand jeep cherokee vibrating by annesloan82

put it in park and rev the engine. If it still vibrates throughout the rpm range in park, then its likely something with the motor. Motor vibes can occur when there are bad motor mounts or if there is a cylinder misfire due to bad spark plug, clogged fuel injector or plug wires.

If it happens only when accelerating but not when decelerating or coasting, it can be either driveshaft u-joints or differential problems like gears or carrier bearings. 4wd models have had issues with the front differential vibrations.

If it vibrates when moving regardless of acceleration or deceleration, check tire balance.

Hope this helps somewhat


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