Water Pump: Service and Repair
Coolant Pump - 4.0L SOHCCoolant Pump - 4.0L SOHC:
Removal and Installation
1. Drain the cooling system.
2. Remove the fan shroud.
3. Remove the accessory drive belt idler pulley.
^ To install, tighten to 45 Nm (33 lb-ft).
4. Slide the coolant bypass hose clamp up from the coolant pump.
5. Disconnect the heater hose from the coolant pump.
6. Disconnect the lower radiator hose from the coolant pump.
7. Remove the 4 bolts and the coolant pump pulley.
^ To install, tighten to 25 Nm (18 lb-ft).
8. Remove the bolts, the coolant pump and the gasket.
^ Discard the gasket.
^ To install, tighten to 10 Nm (89 lb-inch).
9. CAUTION: Use care when cleaning the water pump-to-engine block gasket mating surfaces. Gouges in the aluminum could form leak paths.
Clean all the sealing surfaces.
10. To install, reverse the removal procedure.