Windshield Wiper Arm Replacement

Fig 1: Identifying Windshield Wiper Arm

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure: Remove the wiper blade from the wiper arm. Refer to Windshield Wiper Blade Replacement . Tip: Carefully lower the bare 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 . 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 Tip: A slight up and down motion applied near the hinge point on the wiper arm will release the arm from the wiper pivot shaft. Use a soft wire brush to clean the knurls on the pivot shaft prior to re-installing the wiper arm.
5	Blackout Voids Tip: Position the edge of the wiper blade element to the top edges of the voids in the windshield blackout area.