GM Service Manual Online
For 1990-2009 cars only

Rear Bumper Impact Bar Replacement Buick

Removal Procedure

  1. Remove the rear bumper. Refer to Rear Bumper Replacement .

  2. Object Number: 312313  Size: SH
  3. Remove the push-in retainers (1) that connect the upper fascia support (2) to the rear impact bar (3).
  4. Remove the nuts (5) that retain the fascia stud plates (4).
  5. Remove the fascia stud plates (4).

Installation Procedure


    Object Number: 312313  Size: SH
  1. Install the fascia stud plates (4).
  2. Install the nuts that retain the fascia stud plates (4).
  3. Install the push-in retainers (1) in order to connect the upper fascia support (2) to the rear impact bar (3).
  4. Install the rear bumper. Refer to Rear Bumper Replacement .

Rear Bumper Impact Bar Replacement Pontiac

Removal Procedure

  1. Remove the bumper assembly. Refer to Rear Bumper Replacement .

  2. Object Number: 312336  Size: SH
  3. Remove the following components from the impact bar:
  4. • The fascia (2)
    • The fascia foam (1)

    Object Number: 312341  Size: SH
  5. Remove the push-in retainers (2) from the filler panels (3).
  6. Remove the filler panels (3).
  7. Remove the stud plate retainers (5).
  8. Remove the stud plates (4).

Installation Procedure


    Object Number: 312341  Size: SH
  1. Install the stud plates (4).
  2. Install the stud plate retainers (5).
  3. Install the filler panels (3).
  4. Install the push-in retainers (2) to the filler panels (3).

  5. Object Number: 312336  Size: SH
  6. Install the following components to the impact bar:
  7. • The fascia (2)
    • The fascia foam (1)
  8. Install the bumper assembly. Refer to Rear Bumper Replacement .

Rear Bumper Impact Bar Replacement Oldsmobile 88

Removal Procedure

  1. Remove the bumper assembly. Refer to Rear Bumper Replacement .

  2. Object Number: 312331  Size: SH
  3. Remove the 2 push-in retainers from the license plate bracket that connect the rear bumper fascia onto the impact bar (3).
  4. Remove the 6 lower push-in retainers (1) that connect the rear bumper fascia to the impact bar (3).

  5. Object Number: 312327  Size: SH
  6. Remove the rear bumper fascia (2) away from the impact bar .

Installation Procedure


    Object Number: 312327  Size: SH
  1. Install the rear bumper fascia (2) onto the impact bar .

  2. Object Number: 312331  Size: SH
  3. Install the 6 lower push-in retainers (1) in order to connect the rear bumper fascia to the impact bar (3).
  4. Install the 2 push-in retainers from the license plate bracket in order to connect the rear bumper fascia onto the impact bar (3).
  5. Install the bumper assembly. Refer to Rear Bumper Replacement .