RAM 2500 Truck 2WD V8-5.7L VIN D (2004)
Power Steering Pump: Description and Operation
DESCRIPTION
CAUTION: MOPAR ATF+4 is to be used in the power steering system. No other power steering or automatic transmission fluid is to be used in the
system. Damage may result to the power steering pump and system if any other fluid is used, and do not overfill.
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.
All vehicles are equipped with a power steering fluid cooler.
NOTE: Power steering pumps are not interchangeable with pumps installed on other vehicles.
OPERATION
Fig. 1
Hydraulic pressure is provided for the power steering gear by the belt driven power steering pump. The power steering pumps are constant flow rate
and displacement, vane-type pumps.
