GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter Heat Shield Bolts

7 N·m

62 lb in

Exhaust Muffler Nuts

45 N·m

33 lb ft

Exhaust Manifold Bolts (4.2L)

  • First Pass

25 N·m

18 lb ft

  • Second Pass

25 N·m

18 lb ft

  • Final Pass

25 N·m

18 lb ft

Exhaust Manifold Bolt (5.3L)

  • First Pass

15 N·m

11 lb ft

  • Final Pass

25 N·m

18 lb ft

Exhaust Manifold Heat Shield Bolt (5.3L)

9 N·m

80 lb in

Exhaust Manifold Heat Shield Nut (4.2L)

5 N·m

44 lb in

Exhaust Manifold Heat Shield Stud (4.2L)

10 N·m

89 lb in

Exhaust Muffler Heat Shield Bolt

7 N·m

62 lb in

Exhaust Pipe Clamp Nut

50 N·m

37 lb ft

Exhaust Pipe Nut

50 N·m

37 lb ft

Heated Oxygen Sensor (HO2S) (5.3L)

42 N·m

31 lb ft

Transmission Filler Tube Bracket Nut (4.2L)

10 N·m

89 lb in