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/L32)

30 N·m

22 lb ft

Exhaust Crossover Pipe Bolt/Stud (L26/L32)

20 N·m

15 lb ft

Exhaust Crossover Pipe Heat Shield Nut (L26/L32)

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/L32)

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/L32)

30 N·m

22 lb ft

Exhaust Manifold Heat Shield Bolt (LS4)

9 N·m

80 lb in

Exhaust Manifold Heat Shield Bolt (L26/L32)

10 N·m

89 lb in

Exhaust Manifold Heat Shield Nut (L26/L32)

20 N·m

15 lb ft

Exhaust Pipe Rear Hanger Bolt

25 N·m

18 lb ft

Fuel Injector Sight Shield Bracket Nut (L26/L32)

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