Water Pump: Service and Repair

Replacement
1. Loosen the idler pulley center nut. Turn the adjusting bolt clockwise (counterclockwise for models without A/C compressor), then remove the water pump-A/C compressor belt or water pump belt.





2. Remove the water pump (A) by removing three bolts.
3. Inspect, repair, and clean the O-ring groove and the mating surface on the thermostat housing.
4. Install the water pump, with a new O-ring (B), in the reverse order of removal.
5. Clean the spilled engine coolant.