A8L Quattro Sedan V8-4.2L (AUX) (2001)
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Switch off engine.
If the test result does not meet the specification, replace vane pump, Refer to Power Steering Pump, Service and Repair.
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Check hydraulic oil level.
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Bleed steering system, Refer to Power Steering Bleeding, Service and Repair.
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Check steering system for leaks.