Question about 2002 Jeep Grand Cherokee

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Under acceleration rear end is moving front to back

When you accelerate or brake the rear end moves ,or seems to move,on one side from front to back and 3 shops have looked at it and say there is nothing wrong ...it moves bad enough that i am scared to drive it .

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You will need to check each individual bushing for wear. Pay close attention to any track bar end bushings and anchors, Use a large pry bar to push against components, and compare the amount of play on the side that moves to the side that does not. Also check leaf spring "u" bolts to make sure they are not broken or loose. One thing to remember while checking: you cannot exert as much force with a pry bar as the vehicle can while in motion. Therefore, ANY play is critical and should not be dismissed. When checking, it is best done by suspending the body on good solid jackstands (not the rear axle) in order to remove any static tension on components. You can also check on the ground by lying down on flat ground, in a place where you can see under vehicle, but will not get run over, and have someone move the vehicle a few feet, and watch what the suspension is actually doing, Be extremely careful when doing this. A trip to the hospital or worse is not worth the price of anything you can gain.
Good luck!

Posted on Jan 23, 2009

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