RAM 3500 Truck 2WD L6-5.9L DSL Turbo VIN C (2003)
Water Pump: Description and Operation
WATER PUMP - 5.9L DIESEL
DESCRIPTION
The water pump is mounted to the front of the engine block between the automatic belt tensioner and the fan drive pulley.
The water pump impeller is pressed onto the rear of a shaft that rotates in a bearing pressed into the water pump body. The body has a small hole for
ventilation. The water pump seals are lubricated by antifreeze in the coolant mixture. Additional lubrication is not necessary.
OPERATION
The diesel engine water pump draws coolant from radiator outlet and circulates it through engine, heater core and back to radiator inlet. The
crankshaft pulley drives the water pump with a serpentine drive belt.
