GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter Nut

60 N·m

44 lb ft

Catalytic Converter Pipe Stud Nut

35 N·m

26 lb ft

Engine Lift Bracket Bolt/Nut (L26)

30 N·m

22 lb ft

Exhaust Crossover Pipe Bolt/Stud (L26)

20 N·m

15 lb ft

Exhaust Crossover Pipe Heat Shield Nut (L26)

20 N·m

15 lb ft

Exhaust Crossover Pipe Nut (LS4)

25 N·m

18 lb ft

Exhaust Gas Recirculation Valve Inlet Adapter Pipe to Exhaust Manifold Bolt (L26)

29 N·m

21 lb ft

Exhaust Hanger Bracket Bolt

25 N·m

18 lb ft

Exhaust Manifold Bolt (LS4)

  • First Pass

15 N·m

11 lb ft

  • Final Pass

20 N·m

15 lb ft

Exhaust Manifold Bolt/Nut/Stud (L26)

30 N·m

22 lb ft

Exhaust Manifold Heat Shield Bolt (LS4)

9 N·m

80 lb in

Exhaust Manifold Heat Shield Bolt (L26)

10 N·m

89 lb in

Exhaust Manifold Heat Shield Nut (L26)

20 N·m

15 lb ft

Exhaust Pipe Rear Hanger Bolt

25 N·m

18 lb ft

Fuel Injector Sight Shield Bracket Nut (L26)

30 N·m

22 lb ft

Rear Bumper Impact Bar Bolt

25 N·m

18 lb ft

Tail Pipe Extension Clamp

68 N·m

50 lb ft