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 mid-wipe position.

  4. Object Number: 497480  Size: SH
  5. Pull up on the wiper blade release tang, and slide the wiper blade out from the inside radius of the wiper arm.

  6. Object Number: 497492  Size: SH
  7. Remove the wiper blade from the wiper arm, by guiding it out through the opening in the blade.

Installation Procedure


    Object Number: 497492  Size: SH

    Important: The driver side wiper blade will have the integral air foil as part of the assembly.

  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.