GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Air Dryer Delivery Port Elbow*

35 N·m

26 lb ft

Air Dryer Governor Port Elbow*

20 N·m

15 lb ft

Air Dryer Nut

45 N·m

33 lb ft

Air Dryer Supply Port Elbow*

35 N·m

26 lb ft

Air Reservoir Plug (All)

50 N·m

37 lb ft

Air Reservoir Support Bolt

53 N·m

39 lb ft

Brake Pedal Bracket Bolt (6 mm)

8 N·m

71 lb in

Brake Pedal Bracket Bolt (8 mm)

19 N·m

14 lb ft

Brake Pedal Joint Lock Nut

62 N·m

46 lb ft

Double Check Valve

28 N·m

21 lb ft

Dual Application Valve Mounting Bolt

40 N·m

29 lb ft

Elbow* (Air Brake Coupling Stud Nut)

20 N·m

15 lb ft

Inflation Valve

20 N·m

15 lb ft

Low Air Pressure Switch

12 N·m

106 lb in

Park Control Valve Nut (Cab Mounted)

6 N·m

53 lb in

Park Control Valve Nut (Chassis Mounted)

22 N·m

16 lb ft

Parking Control Valve Nut

6 N·m

53 lb in

Pressure Protection Valve

30 N·m

22 lb ft

Quick Release Valve (Double Check Type) Bolt

52 N·m

38 lb ft

Quick Release Valve Nut

22 N·m

16 lb ft

Relay Valve Bolt

52 N·m

38 lb ft

Relay Valve (Double Check Type) Bolt

52 N·m

38 lb ft

Reservoir Drain Valve

50 N·m

37 lb ft

Reservoir Drain Valve (Manual Type)

50 N·m

37 lb ft

Safety Valve

30 N·m

22 lb ft

Single Check Valve

50 N·m

37 lb ft

Stoplamp Switch

11 N·m

97 lb in

Strap Nut (All except Rear Axle)

28 N·m

21 lb ft

Strap Nut (Rear Axle)

23 N·m

17 lb ft

Stud Nut

45 N·m

33 lb ft

Towing Vehicle Protection Valve

22 N·m

16 lb ft

Trailer Air Brake Control Valve Bolt

40 N·m

29 lb ft

Trailer Air Brake Coupling

35 N·m

26 lb ft

Trailer Air Brake Dummy Coupling Nut

30 N·m

22 lb ft

Trailer Air Brake Stoplamp Switch

7 N·m

62 lb in

*Tighten the elbow to the specified torque, and then rotate a maximum of 360 degrees until the proper orientation is achieved.