RS 6 V8-4.2L Turbo (BCY) (2003)
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Air Injection Filter: Service and Repair
Filter element for secondary air pump, cleaning
Note: If secondary air pump motor is running properly, but air delivery is not adequate, this can be caused by a dirty filter element.
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Carefully unclip cover -3- from secondary air pump -1-.
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Wash out filter element in soap solution.
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Dry filter element thoroughly and re-install.