GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39232 Wiper Linkage Separator
    • J 39529 Wiper Linkage Installer

Removal Procedure


    Object Number: 70104  Size: SH
  1. Disconnect the wiper motor fuse. The fuse is located in the instrument panel electrical center.
  2. Remove the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  3. Remove the air inlet screen. Refer to Air Inlet Screen Replacement .
  4. Remove the wiper motor module assembly. Refer to Windshield Wiper System Module Replacement .

  5. Object Number: 70093  Size: SH
  6. Remove the RH wiper transmission mounting bolts.
  7. Remove the RH wiper transmission from the wiper transmission linkage using J 39232 .
  8. Disconnect the wiper transmission linkage from the wiper motor module assembly.
  9. Remove the LH wiper transmission mounting bolts.
  10. Remove the LH wiper transmission from the wiper transmission linkage.

Installation Procedure


    Object Number: 70090  Size: SH
  1. Install the LH wiper transmission into the wiper transmission linkage using tool J 39529 .
  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.

  3. Install the LH wiper transmission mounting bolts.
  4. Tighten
    Tighten the wiper transmission mounting bolts to 10 N·m (89 lb in).

  5. Connect the wiper transmission linkage onto the wiper motor.
  6. Install the RH wiper transmission into the wiper transmission linkage.
  7. Tighten
    Tighten the wiper transmission mounting bolts to 10 N·m (89 lb in).


    Object Number: 70104  Size: SH
  8. Install the wiper motor module assembly. Refer to Windshield Wiper System Module Replacement .
  9. Install the air inlet screen. Refer to Air Inlet Screen Replacement .
  10. Install the wiper arm assemblies. Refer to Windshield Wiper Arm Replacement .
  11. Install the wiper motor fuse.