Express 3500 V8-4.8L (2007)
Water Pump: Service and Repair
Water Pump Replacement
Water Pump Replacement (4.8L, 5.3L and 6.0L Engine)
Removal Procedure
1. Drain the cooling system.
2. Remove the air cleaner assembly.
3. Remove the fan clutch.
4. Remove the accessory drive belt.
5. Reposition the inlet hose clamp at the water pump.
6. Remove the inlet hose from the water pump.
7. Reposition the outlet hose clamp at the water pump.
8. Remove the outlet hose from the water pump.
9. Reposition the heater inlet hose clamp at the water pump.
10. Remove the heater inlet hose from the water pump.