GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1998 🢒 LSS 🢒 Body and Accessories 🢒 Wipers/Washer Systems 🢒 Windshield Wiper Arm Replacement

Removal Procedure

    Object Number: 415963 Size: SH
  1. Open the hood with the wiper arms in the parked position.
  2. Lift the wiper blade from the windshield and disengage the retaining latch with a screwdriver.

    3. Object Number: 415964 Size: SH
  3. Remove the wiper arm from the wiper transmission drive shaft.
  4. Remove the wiper blade from the wiper arm if required. Refer to Windshield Wiper Blade Replacement .

Installation Procedure

    Object Number: 415964 Size: SH
  1. Install the wiper blade if removed. Refer to Windshield Wiper Blade Replacement .
  2. Position the wiper arm slightly below the stop surface of the park ramp, then press the arm head casting fully onto the transmission drive shaft.

    3. Object Number: 415965 Size: SH
  3. Push in the arm retaining latch.
  4. Lift the replaced wiper arm over park ramp D.
  5. Close the hood.

Inspection Procedure
   • 
Object Number: 415981 Size: SH
  • Inspect the wiper pattern. The wiper arm should be 35-114 mm (1.375-4.5 in) from the top of the driver's blade to the edge of the molding in the outwipe position.
    •    • 
  • Inspect the park position. Both the wiper arms must be against the park ramps.
    •    • 
  • The correct park position and outwipe dimensions are determined with the wipers operating at low speed on wet glass.