For 1990-2009 cars

## Rear Bumper Replacement Buick

### Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the rear compartment sill plate. Refer to Rear Compartment Sill Trim Plate Replacement .
3. Remove the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side and to Rear Compartment Side Trim Replacement - Right Side .
4. Remove the nuts (5) that retain the fascia (3) to the quarter panels.
5. Remove the nuts (1) that retain the fascia to the rear end panel (2).
6. Remove the screws that retain the wheelhouse extensions to the fascia.
7. Remove the clips (4) that retain the fascia to the taillamp filler panels (7).
8. Remove the nuts that retain the impact bar to the energy absorbers.
9. Remove the bumper.

### Installation Procedure

Important: Remember the location and the number of shims.

1. Install the nuts in order to retain the bumper to both sides of the energy absorber.
2. Install the clips (4) in order to retain the fascia (3) to the taillamp filler panels (7).
3. Install the nuts (1) in order to retain the fascia to the rear end panel (2).
4. Install the nuts that retain the fascia to the quarter panels.
5. Install the screws that retain the wheelhouse extensions to the fascia.
6. Install the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side and to Rear Compartment Side Trim Replacement - Right Side .
7. Install the rear compartment sill plate. Refer to Rear Compartment Sill Trim Plate Replacement .
8. Lower the vehicle.

## Rear Bumper Replacement Oldsmobile

### Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the rear compartment sill plate. Refer to Rear Compartment Sill Trim Plate Replacement .
3. Remove the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side and to Rear Compartment Side Trim Replacement - Right Side .
4. Remove the bolts (3) that retain the fascia (2) to the quarter panels.
5. Remove the following components that retain the fascia (2) to the rear end panel:

• | The bolts (3)

• | The nuts (1,4)

6. Remove the screws that retain the wheelhouse extensions to the fascia.
7. Remove the nuts (5) that retain the impact bar (6) to the energy absorbers.

Important: Remember the location and the number of the shims (7).

8. Remove the bumper.

### Installation Procedure

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.

1. Install the nuts (5) in order to retain the impact bar (6) to the energy absorbers.

Tighten
Tighten the nuts to 27 N·m (20 lb ft).

2. Install the following components in order to retain the fascia (2) to the rear end panel:

• | The bolts (3)

• | The nuts (1,4)

Tighten
Tighten the bolts and the nuts to 9.5 N·m (84 lb in).

3. Install the bolts (3) in order to retain the fascia (2) to the quarter panels.

Tighten
Tighten the bolts to 9.5 N·m (84 lb in).

4. Install the screws that retain the wheelhouse extensions to the fascia (2).
5. Install the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side and Rear Compartment Side Trim Replacement - Right Side .
6. Install the rear compartment sill plate. Refer to Rear Compartment Sill Trim Plate Replacement .
7. Lower the vehicle.

## Rear Bumper Replacement Pontiac

### Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the rear compartment sill plate. Refer to Rear Compartment Sill Trim Plate Replacement .
3. Remove the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side and to Rear Compartment Side Trim Replacement - Right Side .
4. Remove the following components that retain the fascia (3) to the quarter panels:

• | The bolts (4)

• | The nuts (5)

5. Remove the screws that retain the wheelhouse extensions to the fascia.
6. Remove the nuts (6) that retain the impact bar (7) to the energy absorbers.

Important: Remember the location and the number of the shims (8).

7. Remove the bumper.

### Installation Procedure

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.

1. Install the nuts (6) in order to retain the impact bar (7) to the energy absorbers.

Tighten
Tighten the nuts to 27 N·m (20 lb ft).

2. Install the following components in order to retain the fascia (3) to the quarter panels:

• | The bolts (4)

• | The nuts (5)

Tighten
Tighten the nuts to 9.5 N·m (84 lb in).

3. Install the screws that retain the wheelhouse extensions to the fascia (3).
4. Install the rear compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side and to Rear Compartment Side Trim Replacement - Right Side .
5. Install the rear compartment sill plate. Refer to Rear Compartment Sill Trim Plate Replacement .
6. Lower the vehicle.