Fastener Tightening Specifications
| Application | Specification |
|---|
| Metric | English |
| Catalytic Converter to Exhaust Manifold Nut (LZ4/LY7) | 45 N.m | 33 lb ft |
| Exhaust Manifold Bolt (LZ4/LY7) | 20 N.m | 15 lb ft |
| Exhaust Manifold Brace Bolt (LAT) | 58 N.m | 43 lb ft |
| Exhaust Manifold/Catalytic Converter to Exhaust Manifold Pipe Nut (LAT) | 30 N.m | 20 lb ft |
| Exhaust Manifold Heat Shield Bolt (LAT) | 23 N.m | 17 lb ft |
| Exhaust Manifold Heat Shield Bolt (LZ4/LY7) | 10 N.m | 89 lb in |
| Exhaust Manifold Lower Heat Shield Bolt (LY7) | 10 N.m | 89 lb in |
| Exhaust Manifold Lower Heat Shield Bolt (LY7) | 50 N.m | 37 lb ft |
| Exhaust Manifold Nut (LAT) | 14 N.m | 10 lb ft |
| Exhaust Manifold Pipe to Muffler Nut (LAT) | 25 N.m | 18 lb ft |
| Exhaust Pipe Heat Shield Nut | 10 N.m | 89 lb in |
| Exhaust Pipe to Muffler Nut (LZ4/LY7) | 25 N.m | 18 lb ft |
| Exhaust Pipe to Right Catalytic Converter Nut (LZ4/LY7) | 25 N.m | 18 lb ft |
| Frame Bolt - First Pass | 100 N.m | 74 lb ft |
| Frame Bolt - Final Pass | 90 Degrees |
| Heater Oxygen Sensor (HO2S) (LZ4) | 42 N.m | 31 lb ft |
| Heat Shield Nut | 10 N.m | 89 lb in |
| Left Catalytic Converter-to-Right Catalytic Converter Nut (LZ4/LY7) | 25 N.m | 18 lb ft |
