Windshield Wiper Arm Replacement

Fig 1: Windshield Wiper Arm

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Electrical set the wipers to the PARK position. Disconnect the washer hose elbow from the air inlet grille panel.
1	Wiper Arm Finish Cover
2	Wiper Arm Nut CAUTION: Refer to Fastener Caution . Tighten 32 N.m (24 lb ft)
3	Windshield Wiper Arm Hose to Air Inlet Grille Panel Hose
4	Windshield Wiper Arm Procedure Rock the arm in order to release the arm from the wiper motor pivot shaft. Use a battery terminal puller if rocking fails to loosen the arm from the pivot shaft. Clean the knurls on the pivot shaft with a soft wire brush. Position the wiper blades to the black dots on the lower windshield. Hold arm into position and secure the pivot shaft nut. The wiper arms are marked LH and RH, do not interchange the arms.
5	Windshield Wiper Arm Blade TIP: Remove the wiper blade from the wiper arm. Refer to Windshield Wiper Blade Replacement