Mopar 4782712AE ABSORBER-Suspension

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To check the shock absorbers, park the vehicle on level ground, turn off the engine, and set the parking brake. Push down at one corner of the vehicle and release it, noting the movement of the body. It should stop moving and come to rest in a level position within one or two bounces. If the vehicle continues to move up and down or fails to return to its original position, a worn or weak shock absorber is likely the reason. Repeat this check at each of the three remaining corners of the vehicle.

Carefully lower the differential with the floor jack to remove the shock absorber. Installation is carried out in reverse, ensuring to follow the specified points like installing the lower shock absorber fasteners before raising the subframe, aligning the subframe with reference marks, using the appropriate length bolts, and tightening all suspension fasteners. Finally, have the wheel alignment checked and adjusted if necessary.

Inspect the shock absorber for leaking fluid, dents, cracks and other damage. Inspect the coil spring for chips and cracks which could cause premature failure. Inspect the spring seats for hardness and general deterioration.

It is possible to replace the shocks or springs individually but the unit will have to be disassembled by a qualified repair shop with the proper equipment.

When servicing the left shock absorber, remove the rubber hose between the fuel filler neck and the gas tank and move the filler neck aside. If dealing with dual exhaust or the right shock absorber, lower the exhaust and support it with jackstands or another jack. Place a floor jack under the rear differential to support the suspension and subframe. Support the spring link with a floor jack and wood block and remove the fasteners attaching the upper end of the shock absorber to the frame. Slowly lower the floor jack supporting the spring link. Remove the fasteners at the lower end of the shock and mark the subframe in relation to the chassis before removing the front and rear subframe fasteners on the side being worked on.

In the steering and suspension check, visually inspect the components for damage and distortion, including seals, boots, bushings, and leaks. Examine the bushings where the control arms meet the chassis, the tie-rod ends, the ball joints, and the steering gear boots.