Fastener Tightening Specifications
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | ||
|---|---|---|---|
| Metric | English | ||
| Accessory Mounting Bracket Bolts (2.2L) | 30 N.m | 22 lb ft | |
| Accessory Mounting Bracket Lower Bolt (2.2L) | 50 N.m | 37 lb ft | |
| Accessory Mounting Bracket to Cylinder Head Stud Nuts (2.2L) | 50 N.m | 37 lb ft | |
| Air Injection Pipe Nut to Exhaust Manifold Stud (2.2L) | 10 N.m | 89 lb in | |
| 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 Bolts and Stud (4.3L) | |||
| First Pass | 15 N.m | 11 lb ft | |
| Final Pass | 30 N.m | 22 lb ft | |
| Exhaust Manifold Heat Shield Bolts | 12 N.m | 106 lb in | |
| Exhaust Manifold Nuts (2.2L) | 13 N.m | 115 lb in | |
| 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 | 13 lb ft | |
| Oil Level Indicator Tube Bolt (4.3L) | 12 N.m | 106 lb in | |
| Radiator Inlet Hose Support Bracket Nut (4.3L) | 36 N.m | 27 lb ft | |