GMC 19416899 ARM KIT,FRT UPR CONT<SEE GUIDE/CONTACT BFO>

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To remove the upper control arm, start by loosening the wheel lug nuts and raising the front of the vehicle on jackstands. Support the vehicle securely and remove the wheel. Position a floor jack with a wood block under the lower control arm to relieve spring pressure on the upper control arm. Remove the air cleaner extension if necessary, and disconnect the brake hose bracket and ABS wheel speed sensor from the upper control arm. Disconnect the upper balljoint from the steering knuckle. On 2WD models, remove the pivot shaft nuts, bolts, and shims, noting their location. On 4WD models, mark the positions of the adjuster cams to the frame. Remove the upper control arm pivot bolts and nuts, and inspect the pivot bolt bushings for wear. Replace if necessary. To install the upper control arm, position it in the frame brackets and install the bolts and nuts, ensuring they are facing each other. Do not tighten completely. Attach the balljoint to the steering knuckle and connect the brake hose bracket. Install the wheel and lower the vehicle. Tighten the lug nuts and pivot bolt nuts to the proper specifications. Finally, install the air cleaner extension if it was removed.

To install the control arm, reverse the removal steps, making sure to tighten all fasteners to the suitable torque specifications once the vehicle is at normal ride height.

To install the control arm using the alternative method, raise it into position and install the control arm pivot bolts, washers, and nuts without fully tightening them. Carefully raise the lower control arm with a floor jack until the balljoint stud can be inserted into the hole in the steering knuckle. Install the balljoint stud nut, tighten it to the proper torque, and install a new cotter pin. Install the torsion bar, connect the stabilizer bar, and install the shock absorber. Finally, install the wheel and lug nuts, lower the vehicle, and tighten the lug nuts to the torque specifications. Tighten the lower control arm pivot bolts to the correct torque specifications and install the splash shield if applicable. Measure the vehicle's ride height on each side and adjust the torsion bar accordingly until the vehicle sits level.

To install the control arm using the alternative method, raise it into position and install the control arm pivot bolts, washers, and nuts without fully tightening them. Carefully raise the lower control arm with a floor jack until the balljoint stud can be inserted into the hole in the steering knuckle. Install the balljoint stud nut, tighten it to the proper torque, and install a new cotter pin. Install the torsion bar, connect the stabilizer bar, and install the shock absorber. Finally, install the wheel and lug nuts, lower the vehicle, and tighten the lug nuts to the torque specifications. Tighten the lower control arm pivot bolts to the correct torque specifications and install the splash shield if applicable. Measure the vehicle's ride height on each side and adjust the torsion bar accordingly until the vehicle sits level.

Start by loosening the wheel lug nuts and raising the front of the vehicle on jackstands.

Remove the pivot shaft nuts, bolts, and shims, noting their location.

To install the control arm, reverse the removal steps, making sure to tighten all fasteners to the suitable torque specifications once the vehicle is at normal ride height.