A6 Quattro Sedan V8-4.2L (BVJ) (2007)
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Remove pin from spreader clips - 4 -.
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Remove lower part of air filter housing and, on backside, separate electrical connection - 2 - at intake air switch-over valve (N335).
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Disconnect Secondary Air Injection (AIR) pump air guide hose - 3 -.
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Remove coolant hose - 1 - from radiator and right coolant pipe - 2 -.
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Lay coolant hose on lock carrier.
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Remove air guide hose - 2 -.