S4 V8-4.2L (BHF) (2004)
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Remove right engine compartment cover -1-.
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Remove bolts - arrows -.
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Remove Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80 - 1 - at air guide.
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Remove air guide - 2 -.
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Remove top coolant hose - arrow - from radiator.
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Remove left engine compartment cover -1-.