A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Free up fuel line and line to EVAP canister on air filter housing and air guide pipe.
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Disconnect electrical harness connector - 1 - at Mass Air Flow (MAF) Sensor (G70).
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Remove vacuum line - 3 - to air guide hose.
CAUTION!
Risk of violating emissions legislation.
‹› Do not open hose connection - 2 -!
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Lay aside air guide hose with connected crankcase ventilation hose - 2 - by loosening hose clamp - 4 - and opening clips - arrows -.
‹› Ignore - 5 -.
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Open clips - arrows - and remove upper part of air filter housing.
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Remove coolant reservoir - arrow - and disconnect electrical connector on Engine Coolant Level (ECL) Warning Switch (F66) at bottom of
coolant reservoir.