GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the spare tire.
  3. Remove the rear fascia. Refer to Rear Bumper Fascia Replacement .
  4. Lower the exhaust system from the rear hangers and support.
  5. Remove the automatic level control compressor with bracket. Refer to Air Compressor Replacement .
  6. Support the trailer hitch with a suitable jack.

  7. Object Number: 1852219  Size: SH
  8. Remove the sill bracket socket head screws (1), lock washers (2), and flat washers (3).

  9. Object Number: 1852218  Size: SH
  10. Remove the sill bracket nuts (3), lock washers (2), and flat washers (1).

  11. Object Number: 1852217  Size: SH
  12. Remove the sill bracket bolt (1) and sill brackets (2).

  13. Object Number: 1852216  Size: SH
  14. Remove the trailer hitch mounting bolts (3), lock washers (2), and flat washers (1).

  15. Object Number: 1852215  Size: SH
  16. Remove the trailer hitch from the vehicle.

Installation Procedure


    Object Number: 1852215  Size: SH
  1. Position the trailer hitch to the vehicle using a jack to maintain the position.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1852216  Size: SH
  3. Install the trailer hitch mounting bolts (3), lock washers (2), and flat washers (1).
  4. Tighten
    Tighten the bolts to 95 N·m (70 lb ft).


    Object Number: 1852217  Size: SH
  5. Install the sill bracket bolts (1) and sill brackets (2).

  6. Object Number: 1852218  Size: SH
  7. Install the sill bracket nuts (3), lock washers (2), and flat washers (1).
  8. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).


    Object Number: 1852219  Size: SH
  9. Install the sill bracket socket head screws (1), lock washers (2), and flat washers (3).
  10. Tighten
    Tighten the bolts to 95 N·m (70 lb ft).

  11. Install the automatic level control compressor with bracket. Refer to Air Compressor Replacement .
  12. Install the exhaust system the rear hangers.
  13. On vehicles without a previously installed trailer hitch, carefully remove the perforated section for the trailer hitch from the rear fascia.
  14. Install the rear fascia. Refer to Rear Bumper Fascia Replacement .
  15. Install the spare tire.
  16. Lower the vehicle.