GM Service Manual Online
For 1990-2009 cars only

Fastener Tightening Specifications

Application

Specification

Metric

English

Crossover Pipe

22 N·m

16 lb ft

Exhaust Manifold Pipe Assembly to Manifold Nut

35 N·m

26 lb ft

Muffler Hanger to Frame

27 N·m

20 lb ft

Muffler Hanger to Muffler Bolt

15 N·m

11 lb ft

Muffler Strap

16 N·m

12 lb ft

Three Way Catalytic Converter to Intermediate Pipe Bolts

29 N·m

21 lb ft