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2005
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A4 Cabriolet (8H7) V6-3.0L (BGN)
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Repair and Diagnosis
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Brakes and Traction Control
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Power Brake Assist
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Testing and Inspection
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Non-Return Valve, Checking
Non-Return Valve, Checking
Non-return valve, checking
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The valve should allow passage of air in direction of arrow - A -.
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The valve should remain closed in opposite direction.
Note correct installation position.