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
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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.
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SEE MORE:
Luggage compartment
lid
General information
WARNING
Applies to: vehicles with anti-theft alarm
system: When the vehicle is locked from the
outside, no one, especially children, should
remain in the vehicle, because the windows
can no longer open from the inside. Locked doors make it more difficult
for emergency work
Repair a wiring 0.35 mm 2 or greater with
intermediate wire section
Note
For the repair use repair wires with a cross section of 0.35
mm2 through 6.0-mm2.
Procedure
- Free up the wire to be repaired at two places approximately
20 cm on both sides of the repair point.
Caution
Risk of damaging the electrical wires.
Expose wrapped wiring harness
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