GM Service Manual Online
For 1990-2009 cars only

Rear Washer Hose Replacement Coupe

Removal Procedure

  1. Remove the luggage shade from the liftgate.
  2. Disconnect the 2 retaining cords.


    Object Number: 1942306  Size: LF
  3. Remove the liftgate garnish moldings (1) on the upper left and right.
  4. • Remove the 2 luggage shade brackets (2).
    • Release the 6 clips.
  5. Remove the rear quarter lower trim panel. Refer to Quarter Lower Rear Trim Panel Replacement .
  6. Lower the headlining. Refer to Headlining Trim Panel Replacement .

  7. Object Number: 1942011  Size: LH
  8. Release the high mounted stop lamp.
  9. Release the 3 retainers (1).


    Object Number: 1942014  Size: LF
  10. Remove the high mounted stop lamp.
  11. • Remove the hose from the stop lamp (4).
    • Disconnect the wiring harness (3).
    • Release the wiring harness plug (1, 2) and disconnect.

    Object Number: 1944642  Size: LF
  12. Disconnect and remove the hose.
  13. • Disconnect the hose at the center pillar (1).
    • Remove the hose.
    • Release the 5 clips (2, 3).

    Object Number: 1944641  Size: SH
  14. Remove the boot at the liftgate.
  15. Disconnect the 2 retaining lugs (1).


    Object Number: 1944643  Size: LF
  16. Remove the hose.
  17. • Secure the new hose to the old hose with adhesive tape.
    • Remove the old hose.
    • Pull the new hose.

Installation Procedure

  1. Install the hose.
  2. • Route the hose.
    • Install the 5 clips.
    • Connect the hose at the center pillar.
    • Insert the boot.
    • Lock in the 2 retaining lugs.
  3. Insert the high mounted stop lamp.
  4. • Connect and lock the wiring harness plug.
    • Connect the wiring harness.
    • Connect the hose for the washer/wiper system.
  5. Fasten the third brake light.
  6. Important: 

       • Be careful of the wiring harness plug when installing the brake light. Install the high mounted stop lamp. Start from the right hand side.
       • The brake light must audibly engage.

  7. Install the high mounted stop lamp.
  8. Install the headlining. Refer to Headlining Trim Panel Replacement .
  9. Install the rear quarter lower trim panel. Refer to Quarter Lower Rear Trim Panel Replacement .
  10. Insert the garnish moldings, left and right.
  11. • Install the 6 clips.
    • Install the 2 luggage shade brackets.
  12. Install the luggage shade to the liftgate.
  13. Connect the 2 retaining cords.

Rear Washer Hose Replacement Sedan

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.

  1. Disconnect the battery.

  2. Object Number: 1941214  Size: LH
  3. Remove the liftgate garnish molding - left side.
  4. • Remove the luggage shade bracket.
    • Release the 4 clips.
  5. Remove the liftgate garnish molding - right side.
  6. • Remove the luggage shade bracket.
    • Release the 4 clips.
  7. Lower the headlining. Refer to Headlining Trim Panel Replacement.

  8. Object Number: 1944670  Size: LF
  9. Remove the hose up to the liftgate boot.
  10. Disconnect the wiring harness plug (1).


    Object Number: 1944652  Size: LF
  11. Expose the hose.
  12. • Remove the boot (1) at the liftgate.
    • Expose the washer/wiper system hose.
    • Cut the duct tape at (2, 3).

    Object Number: 1944642  Size: LF
  13. Disconnect and remove the hose.
  14. • Disconnect the hose at the center pillar (1).
    • Remove the hose.
    • Release the 5 clips (2, 3).

    Object Number: 1944673  Size: SH

    Note: Fasten new hose to old hose with adhesive tape.

  15. Remove the hose.
  16. Pull the new hose with the old hose.

Installation Procedure

  1. Route and connect the hose.
  2. Install the headlining. Refer to Headlining Trim Panel Replacement.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the liftgate garnish molding - right side.
  5. • Install the 4 clips.
    • Fasten the luggage shade bracket.
  6. Install the liftgate garnish molding - left side.
  7. • Install the 4 clips.
    • Fasten the luggage shade bracket.
  8. Connect the battery.
  9. For reprogramming procedures, refer to Control Module References.