GMC 20909155 Front Suspension Strut Assembly

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To remove the strut assembly, 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. Then, unbolt the brake hose bracket from the strut and disconnect the upper end of the stabilizer bar link. Mark the exact position of the strut to the steering knuckle and remove the strut-to-knuckle bolts and nuts. Support the strut and spring assembly and remove the three strut upper mounting fasteners. Once removed, inspect the strut body for any leaking fluid, dents, cracks, or other damage that may require repair or replacement. Check the coil spring for chips or cracks in the spring coating and inspect the spring seat for cuts, hardness, and general deterioration. If any undesirable conditions are found, proceed to the strut disassembly procedure. To install the strut assembly, guide it into position and secure the fasteners to prevent the strut from falling back through. Slide the steering knuckle into the strut flange and insert the two bolts, matching the previously marked position of the strut to the steering knuckle. Tighten the nuts to the specified torque. Reattach the brake hose bracket and stabilizer bar link. Install the wheel and lug nuts, then lower the vehicle and tighten the lug nuts to the specified torque. Finally, tighten the upper mounting fasteners to the specified torque. It is recommended to have the front wheel alignment checked and adjusted if necessary after completing this job.

Support it securely on jackstands and remove the wheel.

Worn or damaged suspension and steering linkage components can result in excessive and abnormal tire wear, poor ride quality and vehicle handling, and reduced fuel economy.

Guide the strut into position and secure the fasteners to prevent the strut from falling back through. Slide the steering knuckle into the strut flange and insert the two bolts, matching the previously marked position of the strut to the steering knuckle.

To reassemble, if the lower insulator is being replaced, it should be set into position with the dropped portion seated properly.

Remove the inner fender splash shields.

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

Worn or damaged suspension and steering linkage components can result in excessive and abnormal tire wear, poor ride quality and vehicle handling, and reduced fuel economy.