GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications Duo-Servo Drum Brakes

Application

Specification

Metric

English

Backing Plate Mounting Bolt (JB6)

160 N·m

118 lb ft

Backing Plate Mounting Bolt (JB7, JB8)

160 N·m

118 lb ft

Bleeder Valve

13 N·m

110 lb in

Pipe Fitting

17 N·m

13 lb ft

Wheel Cylinder Mounting Bolt

25 N·m

18 lb ft

Fastener Tightening Specifications Leading/Trailing Drum Brakes

Application

Specification

Metric

English

Backing Plate Mounting Bolt

70 N·m

52 lb ft

Bleeder Valve

13 N·m

110 lb in

Pipe Fitting

17 N·m

13 lb ft

Wheel Cylinder Mounting Bolts

20 N·m

15 lb ft