GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter Bolt

45 N·m

33 lb ft

Catalytic Converter Nut

60 N·m

44 lb ft

Catalytic Converter Pipe Stud Nut

35 N·m

26 lb ft

EGR Adapter Pipe to Exhaust Manifold Bolt

29 N·m

21 lb ft

Engine Lift Bracket Bolt/Nut

30 N·m

22 lb ft

Exhaust Crossover Pipe Bolt/Nut

25 N·m

18 lb ft

Exhaust Crossover Pipe Bolt/Stud

20 N·m

15 lb ft

Exhaust Crossover Pipe Heat Shield Bolt

10 N·m

89 lb in

Exhaust Crossover Pipe Heat Shield Nut

20 N·m

15 lb ft

Exhaust Manifold Bolt/Nut (L26, LY7)

30 N·m

22 lb ft

Exhaust Manifold Bolt (LS4)

  • 1st Pass

15 N·m

11 lb ft

  • 2nd Pass

20 N·m

15 lb ft

Exhaust Manifold Heat Shield Bolt (L26, LY7)

10 N·m

89 lb in

Exhaust Manifold Heat Shield Bolt (LS4)

9 N·m

80 lb in

Exhaust Manifold Heat Shield Nut

20 N·m

15 lb ft

Exhaust Manifold Nut

16 N·m

12 lb ft

Exhaust Manifold Pipe Stud Nut

35 N·m

26 lb ft

Exhaust Pipe Rear Hanger Bolt

25 N·m

18 lb ft

Fuel Injector Sight Shield Bracket Nut

30 N·m

22 lb ft

Heater Pipe Retainer Bolt

16 N·m

12 lb ft

Rear Bumper Impact Bar Bolt

25 N·m

18 lb ft