GMC 84192069 Rear Shock Absorber Assembly

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Install the wheel and lug nuts, then lower the vehicle and tighten the lug nuts to the specified torque.

Slightly raise the outer end of the lower control arm with a floor jack.

The strut/shock absorber assemblies cannot be serviced and must be replaced if there is a problem. However, there may be strut assemblies available with springs on an exchange basis, which can save time and effort.

Visually inspect the steering and suspension components for damage and distortion. Look for damaged seals, boots and bushings and leaks of any kind. Examine the bushings where the control arms meet the chassis.

Start by loosening the wheel lug nuts and raising the vehicle securely on jackstands. Remove the wheel and support the control arm with a floor jack.

Park the vehicle on level ground, turn the engine off and set the parking brake. Check the tire pressures. Push down at one corner of the vehicle, then release it while 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 if it fails to return to its original position, a worn or weak shock absorber is probably the reason. Repeat the above check at each of the three remaining corners of the vehicle.

Before disassembling the vehicle, it is recommended to check the cost and availability of parts to ensure smooth progress during the repair process.

Proceed to remove the upper and lower shock absorber mounting bolts.