Receiver/Dryer, Replacing Without The Need For Flushing Refrigerant Circuit

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2017 Audi S3, 2017 Audi RS 3, 2017 Audi A3 Quattro, 2017 Audi A3, and 2016 Audi S3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

In the receiver/dryer usually there is a dryer cartridge or a desiccant bag are installed (depending on the design of the refrigerant circuit). Refer to REFRIGERANT CIRCUIT (vehicle-specific repair information) and APPROVED REFRIGERANT OILS AND REFRIGERANT OIL CAPACITIES (vehicle-specific repair information).

Pay attention to the general information for replacing components. Refer to GENERAL INFORMATION FOR REPLACING COMPONENTS .

NOTE:

Cleaning the refrigerant circuit means flushing with refrigerant R1234yf. Refer to REFRIGERANT CIRCUIT, CLEANING .

For example, no escape of refrigerant and no ingress of moisture and dirt into circuit.
If it is determined at a gas analysis that contaminated refrigerant was in the circuit but there is no concern about the A/C system function. Refer to REFRIGERANT GAS ANALYSIS, PERFORMING .

-- Discharge the refrigerant circuit. Refer to WORKING WITH A/C SERVICE STATION .

-- Remove the receiver/dryer. Refer to REFRIGERANT CIRCUIT (vehicle-specific repair information).

-- Remove dirt from the receiver/dryer.

-- Weigh the removed receiver/dryer.

-- Add refrigerant oil to the new receiver/dryer until it is the same weight as the receiver/dryer that was removed.

-- Install the new receiver/dryer. Refer to REFRIGERANT CIRCUIT (vehicle-specific repair information).

-- Assemble, evacuate and charge the refrigerant circuit. Refer to WORKING WITH A/C SERVICE STATION .