GMC 20955486 Front Shock Absorber Assembly

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To remove the model of a coil-over shock absorber, start by loosening the front wheel nuts which hold together its lug, lift up the automobile and remove it tire. Use a floor jack to support the external end of lower control arm and detach the tie-rod end from steering knuckle. Remove top mounting nuts and two bolts that attach bottom of shock absorber to lower control arm. Pull it out from below. To install, reverse removal steps for installing new shocks and tighten fasteners as per their torque specifications. If equipped with a suspension control system, reconnect electrical plug at top of shock absorber. For torsion bar models, follow same steps but back up wrench on stem is used for removing upper mount nut as well as related hardware. Observe direction in which bolt points while removing the lower mounting nut and bolt. Reverse removal steps when installing making sure that lower mounting bolt is pointing exactly in the same spot it did before.

The shock absorber can be installed by reversing the removal steps and tightening the fasteners to the torque specifications.

Driveaxle boots are important because they prevent dirt, water, and foreign material from entering and damaging the constant velocity (CV) joints. Inspect the boots for tears, cracks, as well as loose clamps.

Driveaxle boots are important because they prevent dirt, water, and foreign material from entering and damaging the constant velocity (CV) joints. Inspect the boots for tears, cracks, as well as loose clamps.

To install, reverse the removal steps and ensure the lower mounting bolt is pointing in the same direction as before.

To install, reverse the removal steps and tighten the mounting fasteners to the torque specifications. If equipped with a suspension control system, reconnect the electrical connector to the top of the shock absorber.

After supporting the rear axle, the shock absorber upper and lower mounting fasteners should be removed.

To install, reverse the removal steps and ensure the lower mounting bolt is pointing in the same direction as before.

Driveaxle boots are important because they prevent dirt, water, and foreign material from entering and damaging the constant velocity (CV) joints. Inspect the boots for tears, cracks, as well as loose clamps.

Have an assistant grasp the lower edge of the tire and move the wheel in and out while you look for movement at the steering knuckle-to-control arm balljoint. If there is any movement, the suspension balljoint(s) must be replaced.

If the vehicle is equipped with a ride control system, the electrical connector and the airline should be disconnected from the shock absorber.

To install, reverse the removal steps and ensure the lower mounting bolt is pointing in the same direction as before.

The first step is to raise the rear of the vehicle and support it securely on jackstands placed underneath the frame rails.

Examine the bushings where the control arms meet the chassis for damage and wear.

The rear axle should be supported with a floor jack placed under the axle tube closest to the shock absorber being removed.

The rear axle should be supported with a floor jack placed under the axle tube closest to the shock absorber being removed.

If there is any evidence of cracks or leaking lubricant in the CV boots, they must be replaced.

To install, reverse the removal steps and ensure the lower mounting bolt is pointing in the same direction as before.