S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Lay vacuum lines aside.
‹› Ignore - 1 -.
CAUTION!
Cover cap of coolant expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.
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Open cap of coolant expansion tank.
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Remove crankcase ventilation house at placed marked with - 1 - and - 2 - by pressing release buttons.
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Clamp off the coolant hose - 4 - with a Hose Clamps Up to 25 mm diameter (3094) and remove the coolant hose from connection on the intake
manifold.
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Loosen bolt - 5 - several turns.
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Remove bolts - 3 - and press crankcase ventilation pressure control valve carefully off intake manifold supports.
‹› Disregard - arrow -.
‹› To improve clarity, the removed engine is shown from the rear.
‹› Place a cloth under intake manifold supports to collect escaping coolant.
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Remove coolant hose - arrow - and lay it aside.
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Remove vacuum hose - arrow - to intake manifold supports.