Buick 15069837 Rear Lower Control Arm

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To remove the lower control arm, loosen the wheel lug nuts and raise the vehicle on jackstands. Remove the wheel and disconnect the stabilizer bar link. Detach the shock absorber yoke from the lower control arm.

To remove the trailing arm, start by loosening the rear wheel lug nuts and raising the rear of the vehicle with jackstands. Support the rear axle with a floor jack and detach the leveling sensor link if necessary. Remove the nuts, washers, and bolts from each end of the trailing arm. Check the bushings for any signs of deterioration and replace them if needed. For installation, raise the rear axle to simulate normal ride height with a floor jack and tighten the fasteners to the specified torque. For the track bar removal, raise the rear of the vehicle with jackstands and remove the nuts/bolts from each end of the bar. Check the bushings for any signs of deterioration and replace them if necessary. Take the bar and the bushings to a qualified repair facility to have the old ones pressed out and the new ones pressed in. For installation, raise the rear axle to simulate normal ride height with a floor jack and tighten the fasteners to the specified torque.

Disconnect the wheel speed sensor wiring harness and unscrew the nut from the ball joint pinch bolt, removing the pinch bolt completely.

Disconnect the wheel speed sensor wiring harness and unscrew the nut from the ball joint pinch bolt, removing the pinch bolt completely.

Pull it from its frame brackets and slip the balljoint stud out of the steering knuckle.

For installation, raise the rear axle to simulate normal ride height with a floor jack and tighten the fasteners to the specified torque.