Installation Procedure

Fig 1: Removing & Installing Wiper Arm

Courtesy of GENERAL MOTORS CORP.

Position the wiper arm near the bottom of the windshield and align with the previously made alignment marks.
If the windshield was replaced, position the drivers side center pivot of wiper arm 15 mm above the windshield lower molding and the passenger side wiper arm 45 mm above the windshield lower molding.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

IMPORTANT: Use new nuts. Torque retention of old nuts may not be sufficient.

Install the wiper arm retaining washer and a new nut.
Tighten: Tighten the nuts to 12 N.m (9 lb ft).
Install the wiper arm finish cap.
Inspect the wiper/washer system for proper operation.