GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39232 Wiper Transmission Separator
    • J 39529 Wiper Transmission Installer

Removal Procedure


    Object Number: 497992  Size: SH
  1. Remove the wiper arms. Refer to Windshield Wiper Arm Replacement .
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement .
  3. Remove the wiper transmission. Refer to Windshield Wiper Transmission Replacement .

  4. Object Number: 498001  Size: SH
  5. Remove the 2 bolts retaining the wiper motor.
  6. Remove the wiper motor from the wiper transmission.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 498001  Size: SH
  1. Install the wiper motor onto the wiper transmission with the 2 bolts.
  2. Tighten
    Tighten to 8 N·m (71 lb in).


    Object Number: 498000  Size: SH
  3. Install the wiper transmission assembly. Refer to Windshield Wiper Transmission Replacement .
  4. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement .
  5. Install the wiper arms. Refer to Windshield Wiper Arm Replacement .
  6. Operate the wipers and inspect for proper operation.