Fastener Tightening Specifications
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | ||
|---|---|---|---|
| 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 | |