RAM 2500 Truck 2WD V8-5.9L VIN Z (1997)
16. Loosen heater hose coolant return tube mounting bolt and remove tube from water pump. Discard the old tube O-ring.
Water Pump Bolts -- Typical
17. Remove the seven water pump mounting bolts.
18. Loosen the clamp at the water pump end of bypass hose. Slip the bypass hose from the water pump while removing pump from vehicle. Do not
remove the clamp from the bypass hose.
19. Discard old gasket.
CAUTION: Do not pry the water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.
Heavy Duty
NOTES:
^
The water pump on all models can be removed without discharging the air conditioning system (if equipped).
^
If water pump is replaced because of bearing/shaft damage or leaking shaft seal, the mechanical cooling fan assembly should also be inspected.
Inspect for fatigue cracks, loose blades or loose rivets that could have resulted from excessive vibration. Replace fan if any of these conditions are
found. Also check condition of the thermal viscous fan drive.
1. Disconnect negative battery cable from battery.
2. Drain cooling system.
NOTE: Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.
3. Remove windshield washer reservoir tank from radiator fan shroud. Refer to Wiper and Washer System.
4. Disconnect the coolant reserve/overflow tank-to-radiator hose at the tank.
