GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39637 Wiper Arm Removal Tool

Removal Procedure


    Object Number: 871364  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. Open the hood.
  5. Remove the wiper arm nut cover.
  6. Remove the wiper arm nut.

  7. Object Number: 871365  Size: SH
  8. Using J 39637 , remove the wiper arm from the wiper pivot stud.
  9. Disconnect the washer hose.
  10. Remove the wiper arm from the vehicle.

Installation Procedure


    Object Number: 872389  Size: SH
  1. Install the wiper arms onto the wiper transmission.
  2. Align the wiper blades to the alignment marks.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 871364  Size: SH
  4. Install the wiper arm nut.
  5. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  6. Install the wiper arm nut cover.
  7. Connect the washer hose.
  8. Operate the windshield wipers and inspect for proper operation.
  9. Close the hood.