GM 84336158 Rear Shock Absorber Assembly (W/ Upr Mt)

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To remove the strut, start by moving the side trim in the trunk compartment to expose the strut upper mounting fasteners. Loosen the mounting fasteners without removing them and pull off the rubber cap on top of the strut if it is equipped. Next, loosen the rear wheel lug nuts, block the front wheels, and raise the rear of the vehicle on jackstands. Remove the rear wheels and support the rear suspension with a floor jack. Detach the stabilizer bar link from the strut and mark the relationship of the strut to the knuckle. Remove the strut-to-knuckle nuts and bolts, separate the strut from the rear knuckle, and remove the upper mounting nuts to take out the strut. Make sure to secure the rear knuckle to prevent damage. To inspect the strut, check for leaking fluid, dents, cracks, and other damage. Also, inspect the coil spring for chips or cracks in the coating and the spring seat for cuts or deterioration. If any issues are found, proceed to the strut disassembly procedure. For installation, guide the knuckle into the strut flange and place the upper part of the strut in position to mount to the body. Install the upper mounting nuts finger-tight and use a soft-face hammer or mallet to install the bolts. Align the marks made and tighten the nuts to the specified torque. Install the stabilizer bar link, wheel, and lug nuts, then lower the vehicle and tighten the lug nuts. Finally, tighten the upper mounting nuts to the specified torque and have the wheel alignment checked and adjusted if necessary.

Check the strut for leaking fluid, dents, cracks, and other damage. Inspect the coil spring for chips or cracks in the coating and the spring seat for cuts and deterioration.

After installing the new shock absorber, reverse the removal steps, raising the lower control arm with a floor jack to simulate normal ride height and tightening the fasteners to the specified torque.

If the struts or coil springs show signs of wear such as leaking fluid, loss of damping capability, chipped, sagging, or cracked coil springs, replacement is necessary.

left rr pat# 84336157 right rr 84336158 per vin#