GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications 2.4L and 3.2L

Application

Specification

Metric

English

Exhaust Front Pipe Mounting Bracket Bolt and Nut

40 N·m

30 lb ft

Exhaust Front Pipe To Underbody Catalytic Converter Nuts

30 N·m

22 lb ft

Exhaust Manifold Heat Shield Bolts

15 N·m

11 lb ft

Front Muffler Heat Shields Nuts

2.5 N·m

22 lb in

Front Muffler To Rear Muffler Nuts

40 N·m

30 lb ft

Pup Converter Exhaust Front Pipe Nuts

40 N·m

30 lb ft

Pup Converter Upper Flange Nuts

40 N·m

30 lb ft

Rear Muffler Heat Shield Nuts

2.5 N·m

22 lb in

Underbody Catalytic Converter Heat Shield Nuts

2.5 N·m

22 lb in

Under Catalytic Converter To Front Muffler Nuts

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