Overview - Evaporator Housing

WARNING: This page is about a different car, the 2023 Volkswagen Atlas. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

There are different versions and manufacturers of the heater and A/C units. Individual components of the different heater and A/C units are similar but not the same. Interchanging components from different manufacturers is not permitted. Refer to the Parts Information.

A "Valeo" evaporator housing is shown in the following illustration. Refer to IDENTIFICATION for the different manufacturers' distinguishing characteristics of the heater and A/C units.

For A/C systems with refrigerant R1234yf, the desiccant bag/dryer cartridge must be replaced each time the refrigerant circuit is opened. Refer to COMPONENTS, REPLACING .

Under certain conditions, the desiccant bag no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R134a. Refer to COMPONENTS, REPLACING .

The image shows a LHD.

Fig 1: Exploded View Of Evaporator Housing

Courtesy of AUDI OF AMERICA, LLC

Seal/Insulation
- Expansion valve heat insulation
Seal/Insulation
- Expansion valve heat insulation
Bolt
- Quantity: 2
- 10 Nm
Expansion Valve
- Removing and Installing. Refer to EXPANSION VALVE, REMOVING AND INSTALLING .
Retaining Plate
- Only with A/C system
- For securing the refrigerant line and fastening the expansion valve
Evaporator Housing Upper Section
Bolts
- 1.5 Nm
Evaporator
- Check the foam seals for damage and that they are correctly bonded
- Removing and Installing. Refer to EVAPORATOR, REMOVING AND INSTALLING .
Evaporator Housing Lower Section