GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications Gasoline

Application

Specification

Metric

English

Catalytic Converter-to-Connecting Pipe Nuts

40 N·m

30 lb ft

Catalytic Converter-to-Exhaust Manifold Nuts

40 N·m

30 lb ft

Connecting Pipe Mounting Bracket Nuts

30 N·m

22 lb ft

Exhaust Front Muffler-to-Exhaust Front Pipe Nuts

40 N·m

30 lb ft

Exhaust Front Pipe-to-Exhaust Bracket Bolts

40 N·m

30 lb ft

Exhaust Front Pipe-to-Exhaust Manifold Nuts

40 N·m

30 lb ft

Exhaust Front Pipe-to-Underbody Shield Nuts

2.5 N·m

22 lb in

Exhaust Front/Rear Muffler Shield Nuts

2.5 N·m

22 lb in

Exhaust Manifold Heat Shield Bolts

3 N·m

27 lb in

Exhaust Rear Muffler-to-Exhaust Front Muffler Nuts

30 N·m

22 lb ft

Front Muffler Pipe-to-the 3rd Muffler Nut

30 N·m

22 lb ft

Lower Front Exhaust Pipe Mounting Bracket Nut

30 N·m

22 lb ft