GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 347706  Size: SH
  1. Turn the ignition switch to the ACCY position.
  2. Set the wiper switch to the PULSE position.
  3. Turn the ignition off when the wiper arms are in the innerwipe position and they are not moving.
  4. Disconnect the washer hose from the washer nozzle.
  5. Remove the cover from the nut.
  6. Remove the nut from the wiper arm assembly and the wiper transmission assembly drive shaft.
  7. Remove the wiper arm assembly from the wiper transmission assembly drive shaft by rocking.

  8. Object Number: 306449  Size: SH
  9. Remove the wiper blade assembly from the wiper arm assembly.
  10. 8.1. Push in the button of the wiper blade assembly clip and remove the wiper blade assembly from the inside radius of the wiper arm assembly.
    8.2. Bring the wiper arm assembly out through the opening in the wiper blade assembly.

Installation Procedure


    Object Number: 343204  Size: SH
  1. Install the wiper blade assembly on the wiper arm assembly.

  2. Object Number: 347707  Size: SH
  3. Install the wiper arm assembly on the wiper transmission assembly drive shaft.
  4. 2.1. Put the ignition switch in the ACCY position.
    2.2. Set the wiper switch to the PULSE position. The windshield wiper system should be operating.
    2.3. Turn the ignition off when the wipers are in the innerwipe position (same as the park position) and not moving.

            Important: The measuring device must be held at 90 degrees (perpendicular) to the wiper blade assembly.

    2.4. Install the wiper arm assembly onto the wiper transmission assembly drive shaft while maintaining the following distances between the wiper blade assembly and the bottom of the windshield:
       • Driver side (LH) blade tip - 47 mm (1.85 in)
       • Passenger side (RH) wiper arm - 90 mm (3.54 in)

    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.

  5. Install the nut on the wiper transmission assembly drive shaft and the wiper arm assembly.
  6. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  7. Install the cover on the nut.
  8. Important: Lubricate the washer hose with the windshield washer solvent to ease installation on the washer nozzle.

  9. Connect the washer hose onto the washer nozzle.
  10. Operate the wipers and check for proper operation.