Heater And A/C Unit, Disassembling And Assembling

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

The overview shows a LHD vehicle as an example. For RHD vehicles the layout is a mirror image.

Fig 1: Exploded View Of Heater & A/C Unit, Disassembling And Assembling

Courtesy of AUDI OF AMERICA, LLC

Air Distribution Housing
- There are different versions. Refer to HEATER AND A/C UNIT IDENTIFICATION .
- Interchanging components is not permitted. Refer to HEATER AND A/C UNIT IDENTIFICATION .
- The following illustrations show the heater manufactured by "Valeo"
- Depending on vehicle equipment level, with or without the Auxiliary Heater Heating Element -Z35-
- Removing and Installing. Refer to AIR DISTRIBUTION HOUSING, REMOVING AND INSTALLING .
Wiring Harness
- There are different versions. Refer to the Parts Information.
Evaporator Housing
- Overview. Refer to OVERVIEW - EVAPORATOR HOUSING .
Bolt
- 1.2 Nm
- Quantity: 5
Left Bracket
- For heater and A/C unit
- Removing and Installing. Refer to HEATER AND A/C UNIT BRACKET, REMOVING AND INSTALLING .
Nut
- 4.5 Nm
Nut
- 4.5 Nm
Right Bracket
- For heater and A/C unit
- Removing and Installing. Refer to HEATER AND A/C UNIT BRACKET, REMOVING AND INSTALLING .
Air Intake Housing
- There are different versions. Refer to the Parts Information.
- Overview. Refer to OVERVIEW - ATTACHMENTS FOR HEATER AND A/C UNIT AND AIR INTAKE HOUSING .
Bolt
- Tightening specification -item 4-.