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路m

30 lb ft

Exhaust Front Pipe To Underbody Catalytic Converter Nuts

30 N路m

22 lb ft

Exhaust Manifold Heat Shield Bolts

15 N路m

11 lb ft

Front Muffler Heat Shields Nuts

2.5 N路m

22 lb in

Front Muffler To Rear Muffler Nuts

40 N路m

30 lb ft

Pup Converter Exhaust Front Pipe Nuts

40 N路m

30 lb ft

Pup Converter Upper Flange Nuts

40 N路m

30 lb ft

Rear Muffler Heat Shield Nuts

2.5 N路m

22 lb in

Underbody Catalytic Converter Heat Shield Nuts

2.5 N路m

22 lb in

Under Catalytic Converter To Front Muffler Nuts

30 N路m

22 lb ft

Fastener Tightening Specifications 2.0L Diesel

Application

Specification

Metric

English

DPF Heat Shield Retaining Nut

2.5 N路m

22.1 lb in

Exhaust Front Pipe Nuts

40 N路m

29.5 lb ft

Exhaust Manifold Heat Shield Nut and Bolt

20 N路m

14.8 lb ft

Front Muffler Heat Shield Retaining Nut

2.5 N路m

22.1 lb in

Front Muffler-to-Rear Muffler Nut

40 N路m

29.5 lb ft

Pre-Catalyst Bracket Bolt

40 N路m

29.5 lb ft

Rear Muffler Heat Shield Retaining Nut

2.5 N路m

22.1 lb ft

Rear Muffler-to-Front Muffler Nut

40 N路m

29.5 lb ft