Audi A4: Refrigerant Circuit Components, Replacing
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit Components, Replacing
- General Information
- Leaking or Damaged Components except A/C Compressor, Reservoir or Receiver/Dryer
- Compressor, Replacing without the Need for Flushing Refrigerant Circuit
- Compressor, Replacing on Account of Leakage or Internal Damage
- Receiver/Dryer or Accumulator and Restrictor, Replacing after Cleaning Refrigerant Circuit
- A/C Compressor Regulator Valve -N280-, Removing and Installing
READ NEXT:
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
Leaking or Damaged Components except A/C Compressor, Reservoir or
Receiver/Dryer
The refrigerant circuit was completely empty (for example
with larger leak or cracked hose)
Note
In the event of only a minor leak with slow escape of
refrigerant (e.g. at a small leakage
Compressor, Replacing without the Need for Flushing Refrigerant Circuit
Note
Cleaning the refrigerant circuit means flushing with
refrigerant R134a. Refer to
→ Chapter "Refrigerant Circuit, Cleaning (Flushing), with
Refrigerant R134a".
If a faulty A/C
SEE MORE:
Spring, Removing and Installing
Special tools and workshop equipment required
Pneumatic/Hydraulic Foot Pump -VAS6179-
Spring Tensioning System -VAS6274-
Spring Tensioning System - Spindle -VAS6274/3-
Spring Tensioning System - T-Bar -VAS6274/5-
Supplement Set - Thrust Plate with Securing Plate
-VAS6274/12-2-
Supplement Set
Raising the vehicle
Applies to: vehicles with vehicle jack
Fig. 174 Sill panels: markings
Fig. 175 Sill: positioning the vehicle jack
Place the vehicle jack from the vehicle tool kit
on a firm surface. Use a flat, stable support if
necessary. On a slippery surface such as tile,
you should use a non-slip pad such
© 2019-2026 Copyright www.audia4b9.com
