Air Filter Housing, Removing And Installing: Removing

-- Remove the lock carrier cover. Refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

Audi A4/A5: 

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-- Remove the bolts -arrows- and the air duct -2- from the lock carrier.

Audi Q5: 

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-- Remove the bolts -arrows- and air duct -1-.

Audi A4/A5/Q5: 

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-- Remove the vacuum hose -3- without damaging it.

-- Loosen the hose clamp -2- and remove the air duct hose.

-- Pull the air filter housing -1- upward and remove it.

Audi A6/A7 

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-- Remove the bolts -arrows- and then remove the air guides -1 and 2-.

-- Disengage the EVAP system hose -2- with the fuel hose.

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-- Remove the vacuum hose -3- without damaging it.

-- Loosen the hose clamp -4- and remove the air duct hose.

-- Pull the air filter housing -1- upward and remove it.

Continuation for All Vehicles: 

-- Seal the turbocharger with thoroughly cleaned plugs from the : VAS6122  .