Overview - Evaporator Housing
WARNING: This page is about a different variant/trim than selected.
NOTE:
There are different versions and manufacturers of the heater and A/C units. At the start of production, only "Denso" heater and A/C units are being installed on the Audi TT. Heater and A/C units of other manufacturers may also installed at a later date. 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.
Characteristics of heater and A/C units of other manufacturers. Refer to HEATER AND A/C UNIT IDENTIFICATION .
- Evaporator Housing Lower Section
- Evaporator
- Only with A/C system
- Check the foam seals for damage and that they are correctly bonded
- Removing and Installing. Refer to EVAPORATOR, REMOVING AND INSTALLING .
- O-Ring
- Replace. Refer to the Parts Information for the version.
- Coat with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .
- Retaining Plate
- Only with A/C system
- For securing the refrigerant line and attaching the expansion valve
- Expansion Valve
- Only with A/C system
- Overview. Refer to OVERVIEW - CONDENSER, A/C COMPRESSOR, REFRIGERANT LINES AND EXPANSION VALVE .
- Bolt
- Only with A/C system
- Tightening specification -item 23-
- Seal/Insulation
- Expansion valve heat insulation
- The seal for the plenum chamber rear panel does not have an opening for the expansion valve or it is sealed with a foam body on vehicles without an A/C system.
- O-Ring
- Only with A/C system
- Replace. Refer to the Parts Information for the version.
- Coat with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .
- Screw
- 1.5 Nm
- Quantity: 8
- Evaporator Housing Upper Section
- Honeycomb
- Only installed on vehicles with heating (without an A/C system)