GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Turn the ignition switch to the ACCY position.
  2. Turn the wiper switch to the DELAY position.
  3. Turn the ignition OFF when the wipers are in the innerwipe position and not moving.

  4. Object Number: 497480  Size: SH
  5. Press the wiper blade release button in and remove the wiper blade from the inside radius of the wiper arm.

  6. Object Number: 497492  Size: SH
  7. Remove the wiper arm out through the opening in the wiper blade.

Installation Procedure


    Object Number: 497492  Size: SH
  1. Install the hook of the wiper arm through the opening in the wiper blade.

  2. Object Number: 497481  Size: SH
  3. Position the wiper blade pivot into the inside radius of the wiper arm hook.
  4. Press the wiper blade pivot into the wiper arm hook until the pivot locks into the wiper arm.
  5. Inspect the wipers for proper operation.