GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications

Application

Specification

Metric

English

Differential Housing Cover Bolts

29 N·m

21 lb ft

Differential Support Mounting Bolts

110 N·m

81 lb ft

Drain Plug

39 N·m

29 lb ft

Fill Plug

39 N·m

29 lb ft

Pinion Housing Bolts

29 N·m

21 lb ft

Pinion Nut

235 N·m

173 lb ft

Propeller Shaft Coupler-to-Differential Flange Bolts

30 N·m

22 lb ft