RAM 1500 Van V6-3.9L VIN X (1997)
Water Pump: Service and Repair
Installation
1. Clean gasket mating surfaces.
2. Using a new gasket, install water pump to engine as follows: Guide water pump fitting into bypass hose as pump is being installed. Install water
pump mounting bolts. Tighten bolts in a criss-cross pattern to 40 Nm (30 ft. lbs.) torque.
3. Position bypass hose clamp to bypass hose.
4. Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
5. Install a new o-ring to the heater hose coolant return tube. Coat the new o-ring with antifreeze before installation.
6. Install coolant return tube and its mounting bolt to engine. Be sure the slot in tube bracket is bottomed to mounting bolt. This will properly position
return tube.
7. Connect radiator lower hose to water pump.
8. Connect heater hose and hose clamp to coolant return tube.
