For 1990-2009 cars

### Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the auxiliary jounce bumper mounting bolts. 2WD base and RPO ZQ8 suspension.
3. Remove the jounce bumper mounting bolts. 2WD base suspension.
4. Remove the jounce bumper mounting bolts. 4WD base suspension.
5. Remove the jounce bumper mounting bolts. 2WD RPO ZQ8 suspension.
6. Remove the jounce bumper mounting bolts. RPO Z71 suspension.
7. Remove the jounce bumper.

### Installation Procedure

1. Install the jounce bumper.
2. Install the jounce bumper mounting bolts. RPO Z71 suspension.
3. Install the jounce bumper mounting bolts. 2WD RPO ZQ8 suspension.
4. Install the jounce bumper mounting bolts. 4WD base suspension.
5. Install the jounce bumper mounting bolts. 2WD base suspension.

Notice: Refer to Fastener Notice in the Preface section.

6. Install the auxiliary jounce bumper mounting bolts. 2WD base and RPO ZQ8 suspension.

Tighten
Tighten the bolts to 50 N·m (37 lb ft).

Lower the vehicle.