Audi A4: Refrigerant Circuit
Audi A4 (B9) 2016-2025 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
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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:
Jump starting
Preparation
You should only perform the steps that follow if
you have the necessary tools and technical expertise.
If the engine does not start because the vehicle
battery is drained, you can jump start your vehicle
using another vehicle. Jump start cables are
needed to do this.
Both vehicle batter
Airbag Control Module
Overview - Airbag Control Module
1 - Center Tunnel
2 - Nut
9 Nm
Quantity: 4
The thread must be paint and contaminant free, nut and ground pins serve
as ground connection for the control module.
3 - Airbag Control Module -J234-
Removing and installing. Refer to
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