Grand Caravan FWD V6-3.3L VIN 3 Flex Fuel (2002)
Power Steering Pump: Description and Operation
DESCRIPTION - PUMP
Hydraulic pressure for the operation of the power steering gear is provided by a belt driven power steering pump. The power steering pump is
mounted on the back side of the engine on all engine applications. The pumps are different depending on the engine option. The pump for the 2.4L
engine is made out of cast iron and steel. The pump used on the 3.3L/3.8L engine is made of aluminum.
The pump for the 3.3L/3.8L engine does not have a return fitting as the pump for the 2.4L engine does. The power steering return hose on the
3.3L/3.8L engine goes to the reservoir instead of the pump.
OPERATION
The power steering pump is a constant displacement vane type pump. The 2.4L pump has an integral fluid reservoir and there is a secondary remote
non-flow reservoir which acts only as a fluid fill and check point. The 3.3L/3.8L pump houses very little fluid and is therefore supplied by a remote
flow through reservoir.
