Upper Control Arm Replacement. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

### Removal Procedure

#### Tools Required

J 22888-D Universal Puller

1. Raise the vehicle. Support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
3. Support the rear axle housing (2) with a floor jack (1).
4. If the vehicle is equipped with a Load Sensing Proportioning Valve (LSPV), remove the two bolts (1) securing the LSPV spring bracket to the upper control arm.
5. Remove the following components from the differential carrier (4):

• | The four bolts (2)

• | The rear suspension support mount (3)

6. Remove the upper control arm through bolts (3) and the nuts (2).
7. Remove the rear suspension upper control arm (1) from the body.
8. Remove the cotter pin (1) from the ball stud.
9. Mount the rear suspension support mount (3) in a table vise.
10. Remove the castle nut (2) from the rear suspension support mount (1).
11. Use the J 22888-D with the appropriate tips in order to remove the rear suspension support mount (1) from the ball stud (2).
12. Remove the dust seal retainer (2) and the dust seal (3) from the ball stud (1).

### Installation Procedure

1. Install the new dust seal (3) and retainer (2) to the ball stud (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the rear suspension support mount (1) to the ball stud (2).

Secure the mount with a castle nut.

Tighten
Tighten the ball stud castle nut to 58 N·m (43 lb ft).

3. Install the new cotter pin (1) to the ball stud.
4. Install the upper control arm (1) to the body.
5. Install the through nuts (2) and the bolts (3). Finger tighten the nuts and the bolts.
6. Install the rear suspension support mount (3) to the differential carrier (4). Secure with the four bolts (2).

Tighten

• | Tighten the rear suspension support mount bolts to 50 N·m (37 lb ft).

• | Tighten the rear suspension upper control arm nuts and bolts to 90 N·m (66 lb ft).

7. If vehicle is equipped with the LSPV, install the LSPV load sensing spring bracket to the upper control arm. Secure the bracket with two bolts (1).

Tighten
Tighten the load sensing spring bracket bolts to 18-25 N·m (13.5-18 lb ft).

8. Remove the floor jack (1) from the axle housing (2).
9. Remove the tire and wheel assembly. Refer to Wheel Installation in Tires and Wheels.
10. Lower the vehicle.