GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter to Exhaust Manifold Nut (LZ4/LY7)

45 N·m

33 lb ft

Exhaust Manifold Bolt (LZ4/LY7)

20 N·m

15 lb ft

Exhaust Manifold Heat Shield Bolt (LZ4/LY7)

10 N·m

89 lb in

Exhaust Manifold Lower Heat Shield Bolt

10 N·m

89 lb in

Exhaust Manifold Lower Heat Shield Bolt

50 N·m

37 lb ft

Exhaust Pipe to Muffler Nut (LZ4/LY7)

25 N·m

18 lb ft

Exhaust Pipe to Right Catalytic Converter Nut (LZ4/LY7)

25 N·m

18 lb ft

Heater Oxygen Sensor (HO2S)

42 N·m

31 lb ft

Heat Shield Nut

10 N·m

89 lb in

Intermediate Pipe to Muffler Nut (LAT)

30 N·m

22 lb ft

Left Catalytic Converter-to-Right Catalytic Converter Nut (LZ4/LY7)

25 N·m

18 lb ft