GM 25820033
Control Arm, Rear Passenger Side

To replace the rear axle lower Control Arm (FE1 and FE3), start by lifting the vehicle on a suitable hoist and removing the tires and the wheels. Next, remove the rear suspension support assembly and disconnect the automatic level control height sensor link from the Control Arm and also disconnect the abs electrical connector. Remove the link bolt of the stabilizer shaft, the stabilizer shaft insulators, and spacer, and also, if it is essential, remove the hub and bearing. Next, disconnect the nuts and bolts connecting the Control Arm to the rear suspension support assembly and pull off the lower Control Arm. For installation, replace the Control Arm nuts when the vehicle is unsupported and resting on the wheels at normal trim height. Mount the lower Control Arm onto the rear suspension part, Wheel Bearing and hub if necessary, reconnect the abs electrical connector. Install the link bolt of the stabilizer shaft, spacer, insulator, and nut; tighten the nut of the stabilizer shaft link to 15 nm (11 ft. Lbs.). Connect the automatic level control height sensor link to the left lower Control Arm, replace the rear suspension support assembly, and raise the Control Arm until the spindle face is parallel to the ground for trim height. Specify the torque tightness of 106 nm (78 ft. Lbs.) for the control arms nuts afterward tighten the nuts when installing wheels and tyre before lowering the car.

Support the vehicle's weight by the control arms to achieve the correct trim heights before installing the lower control arm bolts and nuts.

Tighten the rear mounting bolt to 158 Nm (117 ft. lbs.) and the front mounting nut to 126 Nm (93 ft. lbs.).

Remove the rear suspension support assembly.

Lower the vehicle and tighten the control arm nuts in the specified sequence: the rear mounting bolt to 158 Nm (117 ft. lbs.) and the front mounting nut to 126 Nm (93 ft. lbs.).

Ball Joint Separator (J 43828).

Use the J43828 Ball Joint Separator to remove the lower ball joint from the steering knuckle.

Tighten the lower control arm nuts with the vehicle unsupported and resting on the wheels at normal trim height.

Remove the rear suspension support assembly.

Attach the lower control arm to the frame without tightening the control arm nuts initially; support the vehicle's weight by the control arms to achieve the correct trim heights before installing the lower bolts, control arm, and nuts.

Next, take out the lower control arm mounting bolts and nuts to remove the lower control arm.

Lower the vehicle to obtain trim height and tighten the control arm nuts to 149 Nm (110 lb ft) before lowering the vehicle completely.

Install the stabilizer shaft link bolt, spacer, insulator, and nut.

Position the ball joint stud in the lower control arm and install the ball joint nut.

Ensure the control arm nuts are tightened with the vehicle unsupported and resting on the wheels at normal trim height.

Caution should be taken regarding fasteners.

Take out the hub and bearing.

Take out the stabilizer link bolt and, if necessary, the hub and bearing.

Tighten to 10 Nm (88 inch lbs.) and then an additional 150 degrees, ensuring not to exceed an additional 60 degrees for cotter pin insertion.

Take out the rear suspension support assembly, disconnect the automatic level control height sensor link from the control arm, and disconnect the ABS electrical connector.

Detach the stabilizer shaft link and the adjustment link retaining nut from the lower control arm.

Remove the rear support, stabilizer shaft link, and the adjustment link retaining nut from the lower control arm.