S4 Quattro Wagon V8-4.2L (BHF) (2008)
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Remove cover - 1 - in engine compartment (left side).
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Remove coolant expansion tank - arrow -.
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Disconnect electrical wire from Engine Coolant Level (ECL) Warning Switch (F66) and set aside coolant reservoir with coolant hoses - 1 - and - 2
- connected.
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Remove bolt - arrow - at oil dipstick guide tube.