GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the windshield wiper motor. Refer to Windshield Wiper Motor Replacement .

  2. Object Number: 859571  Size: SH
  3. Using a flat-bladed tool, disengage the meshing of the inner rod (1) from the crank arm pivot (2).
  4. Remove the wiper transmission (1) from the wiper motor (3).

  5. Object Number: 859567  Size: SH
  6. Using a flat-bladed tool, disengage the meshing of the outer rod (1) from the crank arm pivot (3).

  7. Object Number: 859562  Size: SH
  8. Remove the 2 torx bolts (2).

Installation Procedure


    Object Number: 859562  Size: SH
  1. Install the wiper transmission (1) to the wiper motor (3).
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the 2 torx bolts (2) which secure the wiper transmission (1) to the wiper motor (3).
  4. Tighten
    Tighten the windshield wiper transmission bolts to 7.5 N·m (66 lb in).


    Object Number: 859571  Size: SH
  5. Engage the meshing of the lower rod (1) to the crank arm (2).

  6. Object Number: 859567  Size: SH
  7. Engage the meshing of the upper rod (1) to the crank arm (3).
  8. Install the windshield wiper motor assembly. Refer to Windshield Wiper Motor Replacement .