GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications Rear

Application

Specification

Metric

English

Wiper Arm Nut

23 N·m

17 lb ft

Wiper Motor Nut

8 N·m

70 lb in

Wiper Motor Screws

6.5 N·m

57 lb in

Wiper Arm Park Ramp Screws

9 N·m

80 lb in