A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
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Remove bottom valve protective cap -1-.
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Remove ball head hose from Oil Drain Adapter -T 40057- and turn threaded bolt in bottom oil filter housing bottom valve -2- under a slight
resistance is felt.
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Now place ball head hose on threaded bolts and turn Oil Drain Adapter -T 40057- to stop - a clear snap of the drain valve will be heard.
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Allow oil filter to run empty.
WARNING: Engine oil may be hot!
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Open oil drain plug or extract engine oil.
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Remove Oil Drain Adapter -T 40057- .
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Check whether bottom valve -1- is flush and not crooked , as in illustration (A02-0423).
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Remove protective cap.
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Open oil filter housing -2- with -3417- or with socket AF 36,
e.g. -T10125- and remove oil filter.
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Replace filter insert -4- and gasket -3-.