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Power steering pump, diesel engine: Notes

Fig 1: Locating Power Steering Pump Driven Pulley (Diesel Engine)
G03505847Courtesy of SAAB-SCANIA OF AMERICA, INC.

The power steering pump is driven by a multigroove V-belt from the crankshaft pulley.

Besides the pump elements, the pump comprises a control valve for regulating the flow and an overflow valve.

WARNING: To avoid damage to the pump, the following points should be observed:
  • Never forcibly hold the steering wheel at full lock for any length of time with the engine running as the pump may then overheat and be damaged.
  • Take care to prevent any particles of dirt from entering the hydraulic system when checking the fluid level or topping up with fluid.
  • Never let the pump run without fluid in the hydraulic system.