Rear Window Wiper Arm Replacement (GMC HP2)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Rear Window Wiper Arm (GMC HP2)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Electrically cycle the wiper arm to the mid-wipe position on the rear window prior to wiper arm nut cap removal. Clean the knurls on the rear wiper motor pivot shaft after the rear wiper arm has been removed.
1	Rear Wiper Arm Nut Cap Tip: Lift up on rearward end of cap to disengage the cap from the rear wiper arm.
2	Rear Window Wiper Arm Nut NOTE: Refer to Fastener Notice . Tip: Clean the knurls on the pivot shaft prior to installing the wiper arm to the pivot shaft. Tighten: 9 N.m (80 lb in)
3	Rear Wiper Arm Washer Hose Tip: Disconnect the washer hose from the liftgate washer hose elbow.
4	Rear Window Wiper Arm Assembly Procedure Electrically PARK the rear wiper motor. Place the arm onto the pivot shaft while holding the wiper arm tab firmly into the park ramp pocket. Secure the nut. Perform a wet wipe and inspect the park position of the rear wiper arm in the park ramp.