GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39822 Wiper Arm Puller

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 wiper arms are in the innerwipe position and not moving.
  4. Mark the position of the wiper arm on the windshield with tape.

  5. Object Number: 347706  Size: SH
  6. Disconnect the washer hose from the washer nozzle.
  7. Remove the wiper arm nut cover.
  8. Remove the wiper arm nut.
  9. Using the J 39822 , remove the wiper arm from the wiper transmission.

Installation Procedure


    Object Number: 347706  Size: SH
  1. Position the wiper arm onto the wiper transmission.
  2. Align the wiper arm to the tape marks on the windshield.
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  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 to the washer nozzle.
  8. Remove the tape marks from the windshield.
  9. Inspect the wipers for proper operation.