Fastener Tightening Specifications
WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Air Cleaner Outlet Duct Clamp Screw (4.8L, 5.3L, and 6.0L Engines) | 7 N.m | 62 lb in |
| Air Cleaner Outlet Duct Wingnut (4.3L Engine) | 3 N.m | 27 lb in |
| Coolant Air Bleed Pipe Stud/Bolt (4.8L, 5.3L, and 6.0L Engines) | 12 N.m | 106 lb in |
| Coolant Heater Cord Bolt | 8 N.m | 71 lb in |
| Coolant Heater Bolt (4.3L Engine) | 2 N.m | 18 lb in |
| Coolant Heater (4.8L, 5.3L, 6.0L Engines) | 50 N.m | 37 lb ft |
| Engine Block Coolant Drain Plug (4.3L Engine) | 20 N.m | 15 lb ft |
| Engine Coolant Temperature Sensor (6.6L Engine) | 33 N.m | 24 lb ft |
| Fan Clutch Bolt | 23 N.m | 17 lb ft |
| Fan Clutch Nut | 56 N.m | 41 lb ft |
| Fan Shroud Bolt | 9 N.m | 80 lb in |
| Fan and Water Pump Pulley Bolt (4.3L Engine) | 25 N.m | 18 lb ft |
| Oil Cooler Hose Adapter Bolt (6.0L Engine) | 12 N.m | 106 lb in |
| Oil Cooler Hose Bracket Bolt (6.0L Engine) | 25 N.m | 18 lb ft |
| Radiator Bolt | 25 N.m | 18 lb ft |
| Surge Tank Bolt/Nut | 9 N.m | 80 lb in |
| Thermostat Housing Bolt (4.8L, 5.3L, and 6.0L Engines) | 15 N.m | 11 lb ft |
| Transmission Control Module (TCM) Cover Bolt | 9 N.m | 80 lb in |
| Transmission Control Module (TCM) Electrical Connector Bolt | 8 N.m | 71 lb in |
| Water Outlet Stud (4.3L Engine) | 25 N.m | 18 lb ft |
| Water Pump Bolt (4.3L Engine) | 45 N.m | 33 lb ft |
| Water Pump Bolt (First Pass) (4.8L, 5.3L, and 6.0L Engines) | 15 N.m | 11 lb ft |
| Water Pump Bolt (Final Pass) (4.8L, 5.3L, and 6.0L Engines) | 30 N.m | 22 lb ft |