GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Catalytic Converter Clamp - Right Side

54 N·m

40 lb ft

Catalytic Converter Pipe to Exhaust Manifold Nuts

65 N·m

48 lb ft

Catalytic Converter to Muffler Retaining Nuts

48 N·m

35 lb ft

Exhaust Hanger Bolts

17 N·m

13 lb ft

Exhaust Manifold Bolts First Pass - 4.3L

15 N·m

11 lb ft

Exhaust Manifold Bolts Second Pass - 4.3L

30 N·m

22 lb ft

Exhaust Manifold Bolts First Pass - 4.8L, 5.3L, 6.0L

15 N·m

11 lb ft

Exhaust Manifold Bolts Second Pass - 4.8L, 5.3L, 6.0L

25 N·m

18 lb ft

Exhaust Manifold Studs

18 N·m

13 lb ft

Heat Shield Bolts

12 N·m

106 lb in

Spark Plug Wire Support Bolts

12 N·m

106 lb in