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路m

118 lb ft

Backing Plate Mounting Bolt (JB7, JB8)

160 N路m

118 lb ft

Bleeder Valve

13 N路m

110 lb in

Pipe Fitting

17 N路m

13 lb ft

Wheel Cylinder Mounting Bolt

25 N路m

18 lb ft

Fastener Tightening Specifications Leading/Trailing Drum Brakes

Application

Specification

Metric

English

Backing Plate Mounting Bolt

70 N路m

52 lb ft

Bleeder Valve

13 N路m

110 lb in

Pipe Fitting

17 N路m

13 lb ft

Wheel Cylinder Mounting Bolts

20 N路m

15 lb ft