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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Adapter for Assembling Flushing Circuit
Various adapters which are required to connect the Air
Conditioning (A/C) service station to the refrigerant circuit
for flushing and to bridge the removed receiver/dryer or
reservoir and expansion valve (specific to vehicle) are in the
following table.
Using a charge hose with 5/8 -18 UNF co
Service and Recycling Units
Extraction System Group Classifications
At this time, service units for extracting, cleaning and
filling refrigerant for motor vehicle A/C systems are available
on the market from various manufacturers.
Only certain service stations (with appropriate auxiliary
device and different adapters if nec
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