GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications

Application

Specification

Metric

English

Differential Drain Plug

35 N·m

26 lb ft

Differential Fill Plug

35 N·m

26 lb ft

Differential Housing Cover Bolts

25 N·m

18 lb ft

Differential Ring Gear Bolts

185N·m

136 lb ft

Differential Rear Mounting Bolts

175 N·m

129 lb ft

Pinion Flange Nut

245 N·m

181 lb ft

Driveline Support to Driveline Support Bracket Bolts

200 N·m

148 lb ft

Driveline Support Bracket to Differential Bolts

80 N·m

59 lb ft

Propeller Shaft Coupler-to-Differential Flange Bolts

85 N·m

63 lb ft