A6 V6-3.0L (AVK) (2004)
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Detach Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-1- at air filter housing.
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Disconnect electrical harness connector -2- at Mass Air Flow (MAP) sensor.
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Remove air guide hose -3- together with Mass Air Flow (MAP) sensor.
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Remove air filter housing (arrows).
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Remove bolts -1- and -3-.
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Disconnect hose -4- from line of secondary air injection.
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Pull out guide tube for oil dipstick -2 from the oil pan (upper part) toward top and swing it forward for removal.
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Unbolt toothed belt guard at front right of cylinder head cover (arrows).