Water Pump Replacement

Water Pump Replacement (6.6L Engine)

Removal Procedure




1. Remove the thermostat bypass pipes.
2. Remove the crankshaft balancer.
3. Remove the water pump to water pump outlet pipe nuts (2).
4. Remove the engine wiring harness retainer from the water pump bolt.




5. Remove the water pump bolts. Note the location of the bolts. The bolts are three different lengths.
6. Remove the water pump.
7. Remove and discard the water pump O-ring and the water pump outlet pipe gasket.

Installation Procedure




1. Lubricate the water pump O-ring with engine oil.
2. Install the water pump outlet pipe gasket and water pump O-ring.
3. Install the water pump.

Notice: Refer to Fastener Notice.

4. Install the water pump bolts. Ensure the correct length bolt is used in the proper location.

Tighten the bolts to 21 N.m (15 lb ft).




5. Install the engine wiring harness retainer onto the water pump bolt.
6. Install the water pump to water pump outlet pipe nuts (2).

Tighten the nuts to 25 N.m (18 lb ft).

7. Install the crankshaft balancer.
8. Install the thermostat bypass pipes.