GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 429887  Size: SH

    Important: Do not allow the wiper arm to fall back and strike the liftgate.

  1. Lift the wiper arm off the park ramp.
  2. Push in the locking tab of the wiper blade clip and pull downward on the wiper arm blade.

  3. Object Number: 497492  Size: SH
  4. Remove the wiper blade from the inside radius of the wiper arm.
  5. Bring the wiper arm out through the opening in the wiper blade.

Installation Procedure


    Object Number: 497492  Size: SH
  1. Insert the hook of the wiper arm through the opening in the wiper blade.
  2. Position the wiper blade in the inside radius of the wiper arm hook.

  3. Object Number: 429890  Size: SH
  4. Pull upward until the locking tab of the pivot engages the slot in the hook.
  5. Carefully lower the wiper arm and blade onto the park ramp.