GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Regal 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Pump Description

The power steering pump system consists of the following major components:

    • The driveshaft
    • The pump housing
    • The pump ring
    • The pressure plate
    • The thrust plate
    • The flow control valve
    • The rotor
    • The vanes

The opening at the rear of the pump housing contains the following components:

    • The pump ring
    • The pressure plate
    • The thrust plate
    • The rotor
    • The vanes
    • The end plate

The small opening on the side of the housing contains the following components:

    • The pressure line fitting
    • The flow control valve
    • The spring

The flow control orifice is a component of the pressure line fitting. A pressure relief valve inside the flow control valve limits the pump pressure.

The power steering pump is driven by the accessory drive belt. No adjustment of the belt is required.

For removal or installation of the accessory drive belt, refer to Drive Belt Replacement in Engine Mechanical.