Fastener Tightening Specifications
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Coolant Air Bleed Pipe/Cover Bolt (LS4) | 12 N.m | 106 lb in |
| Coolant Heater (LS4) | 50 N.m | 37 lb ft |
| Coolant Heater Bolt (L26/L32) | 2 N.m | 18 lb in |
| Coolant Recovery Reservoir Nut | 3.3 N.m | 29 lb in |
| Cooling Fan Blade Nut | 6 N.m | 53 lb in |
| Cooling Fan Motor Bolt | 6 N.m | 53 lb in |
| Cooling Fan Shroud Bolt | 10 N.m | 89 lb in |
| Radiator Upper Support Bracket Bolt | 10 N.m | 89 lb in |
| Water Outlet Housing Bolt (LS4) | 15 N.m | 11 lb ft |
| Water Outlet Housing Bolt/Stud (L26/L32) | 27 N.m | 20 lb ft |
| Water Pump Bolt (LS4) | 12 N.m | 106 lb in |
| Water Pump Bolt - Long (L26/L32) | 34 N.m | 25 lb ft |
| Water Pump Bolt - Short (L26/L32) | 22 N.m | 16 lb ft |
| Water Pump Manifold Bolt (LS4) | ||
|
15 N.m | 11 lb ft |
|
30 N.m | 22 lb ft |
| Water Pump Pulley Bolt (L26/L32) | 13 N.m | 115 lb in |