A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
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Loosen air intake hose - 2 -.
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Remove air filter housing upward - arrows -.
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Disconnect connector from the Camshaft Adjustment Valve 1 (N205) - 1 -.
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Remove bolts - arrows - and then the Camshaft Adjustment Valve 1 (N205).
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Remove bolts - 1 through 5 - and remove the timing chain upper cover.