GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39822 Wiper Arm Puller

Removal Procedure


    Object Number: 334231  Size: SH
  1. Turn the ignition ON.
  2. Turn the wiper switch to DELAY.
  3. Turn the ignition OFF when the wiper arms are paused at the bottom of the wipe pattern.
  4. Disconnect the washer hose from the wiper arm.
  5. Remove the wiper arm nut cover.
  6. Remove the wiper arm nut.
  7. Using the J 39822 , remove the wiper arm from the wiper transmission.

Installation Procedure


    Object Number: 334231  Size: SH
  1. Install the wiper arms onto the wiper transmission.
  2. Hold the measuring device at a 90 degree angle to the wiper blade while maintaining the following distances:
  3. • Right arm: 97-107 mm (3.82-4.21 in) from the end of the wiper arm to the air inlet screen
    • Left arm: 125-147 mm (4.92-5.78 in) from the wiper blade tip to the air inlet screen
  4. Apply Threadlocking compound, GM P/N 89021297 (Canadian P/N 10953488) or equivalent, to the wiper arm nut.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the wiper arm nut.
  7. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  8. Install the wiper arm nut cover.
  9. Connect the washer hose to the wiper arm.
  10. Operate the windshield wipers and inspect for proper operation.