Condenser HVAC: Service and Repair

Condenser

• A condenser with a smaller internal volume is installed in the Audi RS4. Therefore observe the smaller fill quantity for refrigerant R134a in this vehicle.

Removing

- Drain refrigerant circuit.

- Disconnect refrigerant lines from condenser. Refer to => [ Refrigerant Lines, Disconnecting and Connecting from Condenser ] Refrigerant Circuit, Servicing.

- Remove the air guides between the bumper and the condenser.

- If necessary, detach or remove the power steering line cooler (not always necessary, depending on the vehicle).

- If necessary, detach or remove the coolant fan control module (J293) (not always necessary, depending on the vehicle).

- Disconnect the connector from the high pressure sensor (G65) - B -

- Remove bolts - A - (tightening torque 5 Nm).





Installing

Install in reverse order of removal.

- Check the type of seal at the connections and the refrigerant lines. These must be designed for the same type of seal. Refer to => [ Refrigerant Line to Component Connections ] Refrigerant Circuit, Servicing.

• Removed condenser contains refrigerant oil which must be restored to the refrigerant system (with new condenser).