GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 GTO 🢒 Body 🢒 Wipers/Washer Systems 🢒 Windshield Wiper Transmission Replacement

Removal Procedure
  1. Remove the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.

    3. Object Number: 1275600 Size: SH
  3. Squeeze the locking tab and disconnect the main wiper motor harness connector (4) from the wiring harness (5).
  4. Remove the four bolts (1) securing the wiper transmission (2) to the air inlet chamber.
  5. Remove the bolt (8) securing the wiper motor ground strap (6).

    6. Important: The bolt securing the wiper motor ground strap is secured to the strap by a spacer and cannot be separated.

  6. Remove the wiper transmission (2) from the vehicle.
  7. Remove the nut (10) securing the wiper transmission (2) to the wiper motor pivot (7).
  8. Remove the three bolts (11) securing the wiper motor (3) to the wiper transmission bracket (9).
  9. Remove the wiper motor (3) from the wiper transmission bracket (9).

Installation Procedure

    Object Number: 1275600 Size: SH
  1. Position the wiper motor (3) to the wiper transmission bracket (9).

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the three bolts (11) to the wiper motor (3).

    3. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  3. Position the wiper transmission (2) to the wiper motor pivot (7).
  4. Install the nut (10) securing the wiper transmission (2) to the wiper motor pivot (7).

    5. Tighten
    Tighten the nut to 18 N·m (13 lb ft).

  5. Position the wiper transmission (2) to the vehicle.
  6. Install the bolt (8) securing the wiper motor ground strap (6).

    7. Tighten
    Tighten the bolt to 5 N·m (44 lb in).

  7. Install the four bolts (3) to the wiper transmission (2).

    8. Tighten
    Tighten the four bolts to 5 N·m (44 lb in).

  8. Connect the wiper motor harness connector (4) to the wiring harness connector (5).
  9. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  10. Install the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  11. Operate the windshield wipers and inspect for proper operation.