Audi A4: Refrigerant Circuit, Determining Leaks
Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Determining Leaks
- General Information
- Refrigerant Circuit, Tracing Leaks Using Electronic Leak Detector
- Leak Detection on Refrigerant Circuit Using Leak Detection Kit -VAS6201A-
- Finding Leaks via Vacuum Test using A/C Service Station or Nitrogen Pressure Testing
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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
Refrigerant Circuit, Tracing Leaks Using Electronic Leak Detector
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 "Wa
Leak Detection on Refrigerant Circuit Using Leak Detection Kit -VAS6201A-
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 "Wa
SEE MORE:
Mechanically unlocking the luggage compartment lid
Applies to: vehicles with folding backrests
Fig. 34 Inner luggage compartment lid: access for emergency
release (1) sedan, (2) allroad
Applies to: vehicles with fixed backrests
Fig. 35 Rear bench seat: release cable for emergency release
in the sedan
Depending on the equipment, the luggage compa
Subwoofer -R211-, Removing and Installing
Subwoofer -R211-, Removing and Installing, Sedan
The Subwoofer -R211- is located in the rear shelf.
Removing
- Turn off the ignition and all electrical equipment and
remove the ignition key.
- Remove the rear shelf. Refer to
→ Body Interior; Rep. Gr.70; Vehicle Interior
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