Water Pump: Service and Repair

Water Pump Replacement (8.1L)

Removal Procedure





1. Drain the cooling system.
2. Remove the drive belt.
3. Remove the fan clutch
4. Reposition the outlet hose clamp at the water pump.
5. Remove the outlet hose from the water pump.





6. Reposition the bypass hose clamps at the water pump and water crossover.
7. Remove the bypass hose.





8. Remove the water pump bolts.
9. Remove the water pump.
10. Remove and discard the water pump gaskets.

Installation Procedure





1. Place NEW water pump gaskets into place.
2. Install the water pump.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the water pump bolts.
Tighten the bolts to 50 Nm (37 ft. lbs.).





4. Install the bypass hose.
5. Position the bypass hose clamps at the water pump and water crossover.





6. Install the outlet hose to the water pump.
7. Position the outlet hose clamp at the water pump.
8. Install the fan clutch
9. Install the drive belt.
10. Fill the cooling system.