Audi A4: Using Service Station
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Using Service Station
- General Information
- Service Station, Important Usage Information
- Refrigerant Circuit, Discharging with Service Station
- Refrigerant Circuit, Charging with Service Station
- A/C System, Operating after Charging
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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, Important Usage Information
Observe the following with regard to service station
operation. Refer to the Parts Catalog (Tools; Special Tools and
Equipment: A/C and Heating).
- The filters and dryers installed must be repl
Refrigerant Circuit, Discharging with Service Station
Work procedure may vary depending on the type of tools
selected (the tool-specific operating instructions should
therefore be followed).
The refrigerant circuit is to be discharged if parts of th
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Refrigerant R134a
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant used is tetrafluoroethane R134a, which boils
at -26.5 ºC (-15.7 ºF) at
Voltage Regulator, Valeo Generator from 2001, Removing and Installing
Removing
- Remove the generator. Refer to
→ Electrical Equipment; Rep. Gr.27; Generator; Generator,
Removing and Installing.
- Press the cover on the rear side of the generator off of the
threaded pins -arrows-.
- Remove the bolts -1- and the
double bolt -2-.
-&n
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