RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
Power Steering Pump: Service Precautions
General information
There is no provision for repairing the power steering pump. If problems are reported, trace the malfunction by means of a pressure test and a leakage
test. Replace power steering pump if a malfunction is found.
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Always check steering system for leaks if fluid level is low in reservoir.
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In case of leaks at the line connections first tighten connections and wipe dry then recheck for leaks.
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Replacement pumps are not filled with fluid. It is essential to fill the pump with hydraulic fluid G 002 000 and to rotate pump by hand before
installing, otherwise the pump may be damaged or be noisy during operation.
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Check hydraulic fluid level.
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Bleed steering system.
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Check steering system for leaks.