A5 Quattro Coupe V6-3.2L (CALA) (2009)
Air Filter Element: Service and Repair
Air Filter Element
Removing
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Remove air guide hose from air filter housing by opening clips - arrows -.
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Remove bolts - arrows - from upper section of air filter housing and remove upper section of housing upward.
‹› Always use an original equipment air filter element.
‹› Use a lubricant (silicone-free) for installing the air duct hose.
‹› Secure all hose connections using hose clamps appropriate for the model type.
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Check water drain hose - arrow - in lower section of air filter for dirt and contamination (clean if necessary).