GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Jimmy - 4WD 🢒 Body and Accessories 🢒 Wipers/Washer Systems 🢒 Rear Window Wiper Arm Replacement

Removal Procedure
  1. Put the wiper arm assembly into the park position.

    2. Object Number: 8509 Size: SH
  2. Remove the hose assembly elbow from the vehicle connector.
  3. Remove the cap from the wiper arm assembly.
  4. Remove the nut from the wiper arm assembly.
  5. Remove the wiper arm assembly from the shaft.

Installation Procedure

    Object Number: 8509 Size: SH

    Important: 

       • Install the wiper arm assembly in the park position.
       • Rest the wiper arm assembly on the wiper arm park ramp.

  1. Install the wiper arm assembly onto the wiper motor shaft.

    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 onto the wiper arm assembly.

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

  3. Install the cap to the wiper arm assembly.
  4. Install the hose assembly elbow to the vehicle connector.