Condenser

Condenser

• The radiator and condenser may have small indentations on the fins even when installed correctly. It is not damage. Do not replace the radiator or condenser because of those small indentations.

• Slight deformations on the side securing straps on the condenser (for example, due to an accident), can result in an unparallel flow from the condenser and radiator; this can be resolved by pulling the straps back as long as the function/condenser sealing is not impaired. The straps on the condenser do not need to be replaced if there are small deformations.

• A slight bending of the condenser (up to 4 mm) is permissible as long as there is sufficient distance (minimum 4 mm) between the condenser and the radiator and the function/sealing of the condenser (of the refrigerant circuit) is not impaired. The condenser does not have to be replaced if there are slight deformations.

• Different versions of the condenser are available depending on the vehicle version, refer to => [ Condenser, Checking Version ] Testing and Inspection and to the Parts Catalog.

• To remove the condenser from the front end or to remove the radiator, it may be necessary to drain the refrigerant circuit and to remove the refrigerant pipe from the condenser, depending on the version of the radiator and of the condenser. Refer to => [ Refrigerant Pipes from Condenser ] Refrigerant Pipes From Condenser.

Removing

- Turn off the ignition.

- Drain the refrigerant circuit.

• Depending on the allocation of the service connection an on the refrigerant line, and on the version of the vehicle, it may be necessary to remove the additional reinforcement on the left suspension strut dome so that the service coupling of the service station can be connected (for example, on the Audi Q5).

- Remove the refrigerant lines from the condenser. Refer to => [ Refrigerant Pipes from Condenser ] Refrigerant Pipes From Condenser.

- Remove the bolts (or clips) - 1, 2, 3 and 5 -. Refer to Removal and Installation.






- Remove the cover - 4 - from the lock carrier and disengage the radiator grille.

- Remove the bolts - arrows -.






- Remove the air guide - 1 - on the flange - 2 - for the air filter housing.

- Disconnect the electrical connector - C - on the A/C Pressure/Temperature Sensor (G395).






- Disconnect the electrical connector - B - leading to the sensors for the front park assist and the electrical connector for the Outside Air Temperature Sensor (G17) - Pos. A -.

• Different installation locations of the outside air temperature sensor (G17) (the illustration shows the location in MY 2008 vehicles). Refer to => [ Outside Air Temperature Sensor (G17) ] Service and Repair.

- Remove the front end piece on the bumper cover (depending on the vehicle version, for example currently not necessary on the Audi Q5). Refer to Removal and Installation

- Unlock the retaining straps - arrows A - (each two straps, one on top and one below on the air guide) and move the left and right air guide - 1 - toward the center of the vehicle - arrow B -.






Vehicles with a power steering oil cooler:






- Unlock the retaining clamps - arrow A - and move the power steering cooling coil - 1 - forward - arrow B -.

- Remove the power steering oil cooler cooling coil from the condenser and lay it on the engine.

• In the illustration the installation position is shown with the bumper cover removed.

All: Vehicles






- Unlock the retaining clamps - 1 - in - arrow direction A - and remove the condenser - 2 - upward and out of the brackets on the radiator - arrows B -.

• In the illustration, with the bumper cover removed.

Installing

Installation is done is reverse order, observe the following:

• The removed condenser contains refrigerant oil that must be returned to the refrigerant circuit (with the new condenser).

• There are different versions of the condenser. Check the version and allocation before installing. Refer to => [ Condenser, Checking Version ] Testing and Inspection and to the Parts Catalog.

• The refrigerant circuit capacity depends on which version of the condenser is installed.

- Install the refrigerant lines to the condenser. Refer to => [ Refrigerant Pipes from Condenser ] Refrigerant Pipes From Condenser.

Vehicles with a power steering oil cooler:

- Install the power steering oil cooler.

All Vehicles

- Install the cover on the lock carrier. Refer to Removal and Installation.

- Evacuate and fill the refrigerant circuit.

- Install the remaining removed components.

- Switch on the ignition.

- Check the Climatronic control module (J255) display and control head DTC memory and erase any displayed malfunctions if necessary. Refer to the Vehicle diagnostic tester in "Guided Fault Finding".

- Operate the A/C system after filling the refrigerant circuit. Refer to => [ A/C System, Operating after Filling Refrigerant Circuit ] A/C System, Operating after Filling Refrigerant Circuit.

• Note the information regarding operating the A/C system after filling.