A5 Quattro Coupe V6-3.2L (CALA) (2009)
Air Injection Control Valve: Testing and Inspection
Version 1
Secondary Air Injection Combination Valves, Checking for Function and Leaks
Procedure
‹› Hose connections properly sealed.
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Remove plenum chamber bulkhead.
Right secondary air injection (AIR) combi-valve:
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Free up the fuel line - 1 - and the wire - 2 - to the EVAP canister at the air guide pipe.
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Remove vacuum hose - 3 - from the connection on the air guide pipe.
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Remove the air guide pipe by loosening the hose clamp - 4 - and opening the clips - arrows -.
Continued for both sides:
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Remove the bolts - 2 - and push the secondary air hoses to the side.