Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Catalytic Converter Heat Shield Bolts	7 N.m	62 lb in
Exhaust Muffler Nuts	45 N.m	33 lb ft
Exhaust Manifold Bolts (4.2L)
First Pass	25 N.m	18 lb ft
Second Pass	25 N.m	18 lb ft
Final Pass	25 N.m	18 lb ft
Exhaust Manifold Bolt (5.3L)
First Pass	15 N.m	11 lb ft
Final Pass	25 N.m	18 lb ft
Exhaust Manifold Heat Shield Bolt (5.3L)	9 N.m	80 lb in
Exhaust Manifold Heat Shield Nut (4.2L)	5 N.m	44 lb in
Exhaust Manifold Heat Shield Stud (4.2L)	10 N.m	89 lb in
Exhaust Muffler Heat Shield Bolt	7 N.m	62 lb in
Exhaust Pipe Clamp Nut	50 N.m	37 lb ft
Exhaust Pipe Nut	50 N.m	37 lb ft
Heated Oxygen Sensor (HO2S) (5.3L)	42 N.m	31 lb ft
Transmission Filler Tube Bracket Nut (4.2L)	10 N.m	89 lb in