For 1990-2009 cars

## Power Steering Pump Description Buick

Buick uses a CB-series power steering pump. The pump is a vane-type positive displacement pump with an integral fluid reservoir. A pressure relief valve limits maximum system pressure. The relief valve is located inside the flow control valve in the pump housing. Do not service the relief valve separately. The engine drive belt drives the power steering pump.

## Power Steering Pump Description Oldsmobile

Oldsmobile uses a TC-series power steering pump. The pump is vane-type positive displacement pump with an integral fluid reservoir. A pressure relief valve limits maximum system pressure. The relief valve is located inside the flow control valve in the pump housing. Do not service the relief valve separately. The engine drive belt drives the power steering pump.