Dodge Durango

 Service Manual

Steering » Power steering pump
Description and operation

Power steering pump

DESCRIPTION

The pump is connected to the steering gear via the pressure hose and the return hose. The pump shaft has a pressed-on pulley that is belt driven by the crankshaft pulley.

Trailer tow option vehicles are equipped with a power steering pump oil cooler. On the 5.2L and 5.9L the oil cooler is mounted to the engine block. On the 4.7L the oil cooler is mounted to the power steering pump.

NOTE: Power steering pumps are not interchangeable with pumps installed on other vehicles.

OPERATION

Hydraulic pressure is provided for the power steering gear by the belt driven power steering pump (Fig.

1) and (Fig. 2). The power steering pumps are constant flow rate and displacement, vane-type pumps.

Fig. 1 Power Steering Pump - 5.2L & 5.9L

1 - RESERVOIR CAP AND DIPSTICK

2 - RESERVOIR

Fig. 2 Power Steering Pump - 4.7L

1 - PUMP

2 - RESERVOIR

3 - PULLEY

Description and operation

Diagnosis and testing

Service procedures

Removal and installation

Disassembly and assembly