Aspen 2WD V8-4.7L (2007)
Water Pump: Removal and Replacement
Water Pump
3.7L/4.7L ENGINE
The water pump on 3.7L/4.7L engines is bolted directly to the engine timing chain case cover.
1. Disconnect negative battery cable.
2. Drain cooling system.
3. Remove fan/viscous fan drive assembly from water pump. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
4. If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive.
5. Remove two fan shroud-to-radiator screws. Disconnect the coolant overflow hose, windshield washer fluid hose and washer pump electrical
connector.
6. Remove fan shroud and fan blade/viscous fan drive assembly from vehicle.
7. After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone
fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
8. Remove accessory drive belt from the water pump pulley (2).
9. Remove lower radiator hose clamp and remove lower hose at water pump.
10. Remove seven water pump mounting bolts and one stud bolt.
CAUTION: Do not pry water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.
11. Remove water pump and gasket. Discard gasket.
Pump-Water
3.7/4.7L ENGINE