GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications

Application

Specification

Metric

English

Floor Panel Brace Nuts

30 N·m

22 lb ft

Front Pipe-to-Exhaust Manifold Bolts

43 N·m

32 lb ft

Front Pipe-to-Three Way Catalytic Converter Clamp

43 N·m

32 lb ft

Heated Oxygen Sensor 1

44 N·m

31 lb ft

Exhaust Manifold-to-Cylinder Head Bolts (1.8L)

21 N·m

16 lb ft

Exhaust Manifold-to-Cylinder Head Nuts (2.4L)

37 N·m

27 lb ft

Heated Oxygen Sensor 2

44 N·m

31 lb ft

Three Way Catalytic Converter (TWC)-to-Muffler/Tail Pipe Assembly (2WD)

43 N·m

32 lb ft

Three Way Catalytic Converter (TWC)-to-Muffler/Tail Pipe Assembly (AWD)

32 N·m

24 lb ft