GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 Body and Accessories 🢒 Wipers/Washer Systems 🢒 Windshield Wiper Transmission Replacement

Removal Procedure
  1. Remove the windshield wiper arms. 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: 751294 Size: SH
  3. Remove the bolts retaining the wiper transmission assembly to the vehicle.
  4. Carefully push the wiper transmission assembly rearward to disengage the wiper motor from the slot in the plenum.
  5. Disconnect the wiper motor electrical connector.
  6. Remove the wiper transmission assembly from the vehicle.

Installation Procedure

    Object Number: 751294 Size: SH
  1. Install the wiper transmission assembly to the vehicle.
  2. Connect the electrical connector to the wiper motor.
  3. Insert the wiper motor post into the slot in the plenum, push the transmission assembly forward to seat the post.

    4. 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.

  4. Install the bolts retaining the wiper transmission assembly to the vehicle.

    5. Tighten
    Tighten the wiper transmission assembly bolts to 8 N·m (71 lb in).

  5. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.
  6. Install the windshield wiper arms. Refer to Windshield Wiper Arm Replacement .