GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Colorado Pickup - 2WD 🢒 Suspension 🢒 Rear Suspension 🢒 Spring Jounce Bumper Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Object Number: 1357238 Size: SH
  2. Remove the auxiliary jounce bumper mounting bolts. 2WD base and RPO ZQ8 suspension.

    3. Object Number: 1293765 Size: SH
  3. Remove the jounce bumper mounting bolts. 2WD base suspension.

    4. Object Number: 1293742 Size: SH
  4. Remove the jounce bumper mounting bolts. 4WD base suspension.

    5. Object Number: 1293740 Size: SH
  5. Remove the jounce bumper mounting bolts. 2WD RPO ZQ8 suspension.

    6. Object Number: 1293767 Size: SH
  6. Remove the jounce bumper mounting bolts. RPO Z71 suspension.
  7. Remove the jounce bumper.

Installation Procedure
  1. Install the jounce bumper.

    2. Object Number: 1293767 Size: SH
  2. Install the jounce bumper mounting bolts. RPO Z71 suspension.

    3. Object Number: 1293740 Size: SH
  3. Install the jounce bumper mounting bolts. 2WD RPO ZQ8 suspension.

    4. Object Number: 1293742 Size: SH
  4. Install the jounce bumper mounting bolts. 4WD base suspension.

    5. Object Number: 1293765 Size: SH
  5. Install the jounce bumper mounting bolts. 2WD base suspension.

    6. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1357238 Size: SH
  6. Install the auxiliary jounce bumper mounting bolts. 2WD base and RPO ZQ8 suspension.

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

    Lower the vehicle.