Overview - Heater And A/C Unit Attachments, Air Distribution Housing, Heat EXCHANGER, Etc.

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2022 Audi S5 Sportback, 2022 Audi RS 5 Sportback, 2022 Audi A5 Sportback, 2021 Audi S5 Sportback, and 2021 Audi RS 5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Heater And A/C Unit Attachments, Air Distribution Housing, Heat Exchanger, Etc.

Courtesy of AUDI OF AMERICA, LLC

Insulation
- Between the air duct in the air distribution housing and the one in the resonator chamber in the air intake manifold.
Evaporator Housing
- With the evaporator installed by the manufacturer
- Depending on the version, further removal may not be necessary. Refer to OVERVIEW - EVAPORATOR HOUSING .
- Evaporator, Removing and Installing. Refer to EVAPORATOR IN HEATER AND A/C UNIT, REMOVING AND INSTALLING .
Evaporator Vent Temperature Sensor -G263-
- Removing and Installing. Refer to Evaporator Vent Temperature Sensor -G263-, REMOVING AND INSTALLING .
Plug
- Plugs for example 8D0 819 598. Refer to the Parts Information.
- Only present on a heater and A/C unit, on which cleaning of the evaporator has taken place. Refer to EVAPORATOR IN HEATER AND A/C UNIT, CLEANING, WITH Suction Feed Spray Gun .
Cap
- For the connection to the glove compartment cooling
- Not present on the glove compartment cooling
Catch
- Open carefully
Heater Core for the Heater
- Removing and Installing. Refer to HEATER CORE, REMOVING AND INSTALLING .
- Check the glued-on foam seals for damage and proper bonding. Refer to HEATER CORE, REMOVING AND INSTALLING .
Screw
- 1 Nm
Heat Exchanger Cover
- For vehicles without Auxiliary Heater Heating Element -Z35-. Refer to the Parts Information.
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to HEATER CORE, REMOVING AND INSTALLING .
Heat Exchanger Cover
- For vehicles with Auxiliary Heater Heating Element -Z35-. Refer to the Parts Information.
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to HEATER CORE, REMOVING AND INSTALLING and Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .
Auxiliary Heater Heating Element -Z35-
- Removing and Installing. Refer to Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .
- Installed depending on the equipment and engine
Zone Partition Grille
- Only for vehicles with a "High" A/C system without an Auxiliary Heater Heating Element -Z35-. Refer to the Parts Information.
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to HEATER CORE, REMOVING AND INSTALLING and Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING .
Right Footwell Vent Temperature Sensor -G262-
- Only for vehicles with a "High" A/C system
- Removing and Installing. Refer to Right Footwell Vent Temperature Sensor -G262-, REMOVING AND INSTALLING .
- Check the Right Footwell Vent Temperature Sensor -G262-. Use the Vehicle Diagnostic Tester in the"Guided Fault Finding" function.
- On vehicles with a "Low" A/C system (or with a heater without an A/C system) the mount on the heater and A/C unit is not present or is closed with a plug.
Heater and A/C Unit Air Distribution Housing with Evaporator
- There are different versions. Refer to the Parts Information.
- Heater and A/C Unit with Evaporator, Removing and Installing. Refer to HEATER AND A/C UNIT, REMOVING AND INSTALLING .
Left Footwell Vent Temperature Sensor -G261-
- Removing and Installing. Refer to Left Footwell Vent Temperature Sensor -G261-, REMOVING AND INSTALLING .
Screw-Type Clamp
- Replacing. Refer to the Parts Information.
- Removing and installing on the heater core. Refer to HEATER CORE, REMOVING AND INSTALLING .
Screw
- 2 Nm
- Removing and installing on the heater core. Refer to HEATER CORE, REMOVING AND INSTALLING .
O-Ring Seal
- Replacing. Refer to the Parts Information.
- Coat lightly with coolant before installing. Refer to HEATER CORE, REMOVING AND INSTALLING .
Coolant Pipe Spacer
- Is clipped in on both coolant pipes
Coolant Pipe to Heater Core
- Coolant return
- Removing and installing on the heater core. Refer to HEATER CORE, REMOVING AND INSTALLING .
- Can only be replaced when the heater and A/C unit is removed.
Coolant Pipe to Heater Core
- Coolant supply
- Removing and installing on the heater core. Refer to HEATER CORE, REMOVING AND INSTALLING .
- Can only be replaced when the heater and A/C unit is removed.
Bracket for Coolant Pipes