GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter to Exhaust Manifold Nut

35 N·m

26 lb ft

Catalytic Converter Hanger Bolt

35 N·m

26 lb ft

Catalytic Converter to Muffler Nut

34 N·m

25 lb ft

Exhaust Crossover Heat Shield Bolt

10 N·m

89 lb in

Exhaust Crossover Pipe Nut (RPO LZ9)

20 N·m

15 lb ft

Exhaust Crossover Pipe Stud/Nut (RPO LX9)

25 N·m

18 lb ft

Exhaust Hanger Bolt

35 N·m

26 lb ft

Exhaust Manifold Bolt (RPO LZ9)

20 N·m

15 lb ft

Exhaust Manifold to Catalytic Converter Nut

35 N·m

26 lb ft

Exhaust Manifold Heat Shield Bolt

10 N·m

89 lb in

Exhaust Manifold Nut (RPO LX9)

16 N·m

12 lb ft

Heated Oxygen Sensor (HO2S)

42 N·m

31 lb ft

Tail Pipe Hanger Bolt

35 N·m

26 lb ft