GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1378641  Size: SH
  1. Remove the rear wiper arm finish cap to expose the wiper arm nut.
  2. Remove the rear wiper arm nut.
  3. Lift the rear wiper arm assembly away from the rear window and remove the wiper arm from the pivot shaft.

Installation Procedure


    Object Number: 1378641  Size: SH
  1. Position wiper blade assembly on the blackout strip as shown in the illustration.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the rear wiper arm nut.
  4. Tighten
    Tighten the nut to 21 N·m (16 lb ft).

  5. Install the rear wiper arm finish cap.
  6. Operate the windshield wipers and inspect for proper operation.