S90 L6-2.9L VIN 96 B6304S (1998)
Windshield Washer Motor: Service and Repair
Front Windshield Washer Motor Replacement
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Unplug connector.
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Lift out motor.
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Disconnect hose.
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Before replacing pump, try out motor with reversed 12 V polarity to loosen any dirt blocking the pump.
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Reassemble in reverse order.
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Plug in connector and reinstall hose.
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Fit pump.
Before fitting pump, immerse inlet pipe in plain or soapy water to avoid compressing rubber seal.
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Fill washer reservoir with fluid and check for leaks.
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Test pump.