S4 Quattro Wagon V8-4.2L (BHF) (2008)
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Remove cover - 1 - on left side of engine compartment.
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Pinch off coolant hose - 2 - with Hose Clamps Up to 25 mm dia. (3094) and detach at coolant expansion tank.
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Remove coolant expansion tank bolt - arrow -.
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Disconnect Engine Coolant Level (ECL) Warning Switch (F66) wiring at bottom of expansion tank and lay aside coolant expansion tank with
coolant hose - 1 - connected.
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Use suitable plug to seal connection, if necessary.
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Take connectors - 1 - to - 4 - out of holder on right side of bulkhead.
