GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter to Exhaust Manifold studs (4.3L)

15 N·m

11 lb ft

Catalytic Converter to Exhaust Manifold Stud Nuts (4.3L)

53 N·m

39 lb ft

Catalytic Converter to Muffler flange nuts (2.2L)

35 N·m

26 lb ft

Catalytic Converter to Muffler flange nuts (4.3L)

40 N·m

30 lb ft

Exhaust Manifold Pipe to Catalytic Converter Flange Nuts (2.2L)

35 N·m

26 lb ft

Exhaust Manifold Pipe to Exhaust Manifold Bolts (2.2L)

30 N·m

22 lb ft

Hanger to Frame Bolts

17 N·m

12 lb ft