GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter-to-Exhaust Manifold Nuts

50 N·m

37 lb ft

Connecting Pipe-to-Catalytic Converter Nuts

40 N·m

30 lb ft

Exhaust Manifold Cover Bolts

15 N·m

11 lb ft

Front Exhaust Pipe Mounting Bracket Bolt

40 N·m

30 lb ft

Front Muffler-to-Connecting Pipe Nuts

30 N·m

22 lb ft

Front Muffler-to-Rear Muffler Nuts

30 N·m

22 lb ft

Post-Converter Heated Oxygen Sensor

41 N·m

30 lb ft