RAM 1500 Van V8-5.9L VIN Z (1998)
Coolant Return Tube-Typical
14. Loosen heater hose coolant return tube mounting bolt and remove tube from water pump. Discard the old tube O-ring.
15. Remove the seven water pump mounting bolts.
16. Loosen the clamp at the water pump end of bypass hose. Slip the bypass hose from the water pump while removing pump from engine. Do not
remove the clamp from the bypass hose.
17. Discard old gasket.
CAUTION: Do not pry the water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.
INSTALLATION
Water Pump Bolts-Typical
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.
9. Install water pump pulley. Tighten bolts to 27 Nm (20 ft. lbs.) torque. Place a bar or screwdriver between water pump pulley bolts to prevent
pulley from rotating.
10. Relax tension from automatic belt tensioner. Install drive belt.
