Dryer Bag/Dryer Cartridge, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Audi S7, 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, and 2014 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.

-- Discharge the refrigerant circuit, refer to REFRIGERANT CIRCUIT, DISCHARGING WITH SERVICE STATION or REFRIGERANT CIRCUIT, DISCHARGING WITH SERVICE STATION .

-- On vehicles without a charge air cooler, remove the bumper cover end plate, refer to BUMPER COVER, REMOVING AND INSTALLING .

-- Remove the charge air cooler, refer to CHARGE AIR COOLER, REMOVING AND INSTALLING (CGXB and CTUA) or CHARGE AIR COOLER, REMOVING AND INSTALLING (CPNB) .

-- Check the pressure in the refrigerant circuit using a A/C service station pressure gauge, refer to PRESSURES, CHECKING .

Fig 1: Identifying Plastic Screw With Filter

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Danger due to refrigerant coming out under pressure.

Danger of frost bite to skin and other parts of the body.

Only remove the sealing plug when the pressure in the refrigerant circuit is the same or smaller than the ambient pressure.

-- Remove the sealing plug -A-.

-- Remove the dryer cartridge -D- from the receiver/dryer -E- using the needle nose pliers.