Dryer Bag/Dryer Cartridge, Removing And Installing: Removing

-- Turn off the ignition.

-- Discharge the refrigerant circuit. Refer to USING SERVICE STATION (Refrigerant R134a, Servicing; Refrigerant Circuit, Using Service Station).

-- Remove the bolts (or clips) -1, 2, 3 and 5-. Refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

Fig 1: Front Lock Carrier Cover

Courtesy of AUDI OF AMERICA, LLC

-- Lift the cover -4- on the lock carrier and disengage it on the radiator grille. Refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows-.

Fig 2: Identifying Air Duct Components

Courtesy of AUDI OF AMERICA, LLC

-- Remove the front oil cooler. .

-- Remove the left and right air guide -1- from the intermediate flange -2- on the air filter housing.

Fig 3: Identifying Plastic Screw With Filter

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Refrigerant must be extracted from refrigerant circuit before removing sealing cap -A-. If the plastic screw -A- is not removed within 10 minutes, pressure may form in the refrigerant circuit due to evaporation. Extract the refrigerant once more.

-- Check the pressure in the refrigerant circuit using, for example, a pressure gauge from an A/C service station. Refer to USING SERVICE STATION (Refrigerant R134a Servicing; Refrigerant Circuit, Using Service Station).

WARNING:

Only remove the plastic screw -A- when the pressure in the refrigerant circuit is the same or less than the ambient pressure.

-- Remove the plastic screw -A- (with filter -C-).

Fig 4: Identifying Plastic Screw With Filter

Courtesy of AUDI OF AMERICA, LLC

-- Remove the dryer cartridge -D- downward and out of the condenser.

-- Seal the open receiver/dryer with the plastic screw -A- to prevent dirt and moisture from getting in.