Audi A4: A/C Service Station, Connecting
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / A/C Service Station, Connecting
- General Information
- Service Station, Connecting with Connections on Low- and High Pressure Side of Refrigerant Circuit
- Service Station, Connecting with No Connection on Low- and High Pressure Side of Refrigerant Circuit
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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
Service Station, Connecting with Connections on Low- and High Pressure Side
of Refrigerant Circuit
Servicing Station, Connecting for Measuring and Testing
- Turn off the ignition.
- Connect the service station to the power supply.
- Connect the quick-release coupling adapter to the c
Service Station, Connecting with No Connection on Low- and High Pressure
Side of Refrigerant Circuit
General Information
On the following vehicles, no service connection is provided
for the service station on the low-pressure side of the
refrigerant circuit; adapters must be used to connect the
se
SEE MORE:
Finding Leaks via Vacuum Test using A/C Service Station or Nitrogen
Pressure Testing
Vehicles with a High Voltage System (Hybrid Vehicles)
Read and follow all of the supplemental warnings for all
work performed on vehicles with the high voltage system. Refer
to
→ Chapter "Warnings when Working on Vehicles with High Voltage
System" and
→ Electrical Equipment;
Electric Coolant Pump, Removing and Installing
Coolant Recirculation Pump -V50-, Removing and Installing
Special tools and workshop equipment required
Hose Clamps - Up To 25mm -3094-
Hose Clip Pliers -VAS6340-
Removing
- Remove the engine cover. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine
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