GM Service Manual Online
For 1990-2009 cars only

Object Number: 1581640  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the wiper blade from the wiper arm. Refer to Windshield Wiper Blade Replacement.
  2. Carefully lower the wiper arm onto the windshield.

1

Windshield Washer Arm Nut Cap

Tip
Use a small flat-bladed tool to remove the cap.

2

Windshield Washer Arm Nut

Caution: Refer to Fastener Caution in the Preface section.

Tip
Hold the wiper arm blade into position on the windshield blackout voids when applying torque to the nut.

Tighten
32 N·m (24 lb ft)

3

Windshield Washer Nozzle Hose Assembly

Tip
Carefully remove the washer hose from the spray nozzle in the air inlet panel prior to removing the wiper arm.

4

Windshield Washer Arm Assembly

Procedure

  1. A slight up and down motion applied near the hinge point on the wiper arm will release the arm from the wiper pivot shaft.
  2. Use a soft wire brush to clean the knurls on the pivot shaft prior to re-installing the wiper arm.

5

Wiper Blade Alignment Mark

Tip
Position the edge of the wiper blade element to the top edges of the alignment marks in the windshield blackout area.