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

Fastener Tightening Specifications 2.0L Diesel

Application

Specification

Metric

English

DPF Heat Shield Retaining Nut

2.5 N·m

22.1 lb in

Exhaust Front Pipe Nuts

40 N·m

29.5 lb ft

Exhaust Manifold Heat Shield Nut and Bolt

20 N·m

14.8 lb ft

Front Muffler Heat Shield Retaining Nut

2.5 N·m

22.1 lb in

Front Muffler-to-Rear Muffler Nut

40 N·m

29.5 lb ft

Pre-Catalyst Bracket Bolt

40 N·m

29.5 lb ft

Rear Muffler Heat Shield Retaining Nut

2.5 N·m

22.1 lb ft

Rear Muffler-to-Front Muffler Nut

40 N·m

29.5 lb ft