GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications

Application

Specification

Metric

English

Differential Carrier Bracket-to-Frame Bolt

175 N·m

129 lb ft

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

185 N·m

136 lb ft

Differential Rear Mounting Bolts

175 N·m

129 lb ft

Differential-to-Differential Carrier Bracket Bolt - With Dowel Pin

250 N·m

184 lb ft

Differential-to-Differential Carrier Bracket Bolt - Without Dowel Pin

350 N·m

258 lb ft

Pinion Flange Nut

245 N·m

181 lb ft

Propeller Shaft Coupler-to-Differential Flange Bolts

85 N·m

63 lb ft

Fastener Tightening Specifications

Application

Specification

Metric

English

Differential Carrier Bracket to Bracket Reinforcement Bolt (Automatic only)

175 N·m

129 lb ft

Differential Carrier Bracket Reinforcement (Automatic only)

110 N·m + 20 degrees

--

Driveline Support to Driveline Support Bracket Bolts (Manual Only)

200 N·m

148 lb ft

Driveline Support Bracket to Differential Bolts

80 N·m

59 lb ft

Differential Carrier Cover Bolts

25 N·m

18 lb ft

Differential Ring Gear Bolts

185 N·m

136 lb ft

Differential Drain Plug

35 N·m

26 lb ft

Differential Drive Pinion Flange Nut

245 N·m

181 lb ft

Differential Fill Plug

35 N·m

26 lb ft

Differential Rear Mounting Bolts

175 N·m

129 lb ft

Propeller Shaft Coupler-to-Differential Flange Bolts

85 N·m

63 lb ft

Propeller Shaft to Transmission Output Shaft Bolts

40 N·m

30 lb ft