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Windshield Wiper Arm Replacement

GM3802324Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Open the hood.
1 Windshield Wiper Arm Nut Cap
Procedure 
Using an appropriate tool, release the finish cap from the wiper arm assembly.
2 Windshield Wiper Arm Nut
CAUTION:

Refer to Fastener Caution .


Tighten 
38 N.m (28 lb ft)
3 Windshield Wiper Arm

Procedure

  1. Grasp the windshield wiper arm near the pivot shaft and gently rock it side to side until the arm releases.
  2. If the wiper arm does not release, using an appropriate tool, pull and remove the windshield wiper arm from the windshield wiper transmission pivot shaft.
  3. Clean the pivot shaft knurls with a soft wire brush before installing a new windshield wiper arm.
  4. Grasp the rear of the wiper arm and place the arm over the pivot shaft.
  5. Align the tip of the wiper blade to the small transparent circle in the lower center of the blackout area. Refer to Windshield Wiper Arm Adjustment .
  6. Install the windshield wiper arm nut.
  7. Hold the wiper arm in position and torque the wiper arm nut as specified above.
  8. Cycle the wiper arm with a spray of solvent, PARK the wiper arm and re-check the alignment of the wiper blade tip to the windshield transparent circle.