GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 Body and Accessories 🢒 Wipers/Washer Systems 🢒 Rear Window Wiper Arm Replacement

Removal Procedure

    Object Number: 429907 Size: SH
  1. Put the wiper arm in the park position.
  2. Remove the washer hose from the vehicle connector.
  3. Remove the cap from the wiper arm.
  4. Remove the nut from the wiper arm.
  5. Remove the wiper arm from the wiper motor shaft.

Installation Procedure

    Object Number: 429907 Size: SH
  1. Install the wiper arm on the wiper motor shaft in the park position with the wiper arm resting on the park ramp.

    2. 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.

  2. Install the nut on the wiper arm.

    3. Tighten
    Tighten the nut to 23 N·m (17 lb ft).

  3. Install the cap on the wiper arm.
  4. Install the washer hose on the vehicle connector.