Q7 Quattro V8-4.2L (BAR) (2008)
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Remove left air guide hose - 1 - from air duct.
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Release retaining clips - 3 - and remove upper left section of air filter housing.
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Disconnect hose - 1 - to Secondary Air Injection (AIR) pump.
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Disconnect electrical harness connector - 4 - at Mass Air Flow (MAF) sensor (G70).
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Remove right air guide hose - 3 - from air duct.