Audi A4: Refrigerant Circuit
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit
- A/C System Repair Information
- Using Service Station
- Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
- Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a
- Refrigerant Circuit, Determining Leaks
READ NEXT:
A/C System Repair Information
Air conditioning systems designed for refrigerant R12 are
only to be filled with refrigerant R134a if certain requirements
are fulfilled. Refer to
→ Chapter "Refrigerant Circuit, Convertin
General Information
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- I
SEE MORE:
Rear Seat Backrest, Removing and Installing
Rear Seat Backrest, Removing and Installing, Fixed Rear Seat Backrest
Removing
- Remove the screws -1- in the
luggage compartment.
- Remove the bench seat. Refer to
→ Chapter "Bench Seat/Single Seat, Removing and Installing".
- Remove the bolts -1-.
- Remove the backres
Trailer
Driving with a trailer
General information
Your vehicle is primarily intended for transporting
people and luggage. However, if you drive
with a trailer, follow the technical requirements,
the operation and driving tips, and the legal regulations.
Driving with a trailer affects the vehicle's energy
© 2019-2026 Copyright www.audia4b9.com
