Audi A4: Refrigerant Circuit Components, Replacing
Audi A4 (B9) 2016-2024 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
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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
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
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Transmitted information
Data collection
Applies to: vehicles with data collection
Depending on the country, Audi may collect data
for the following purposes, for example: offer
and product optimization, public safety, provision
of Audi connect remote vehicle services, and
adaptation to customer expectations. For example,
v
Overview - Wheel Bearing
Overview - Wheel Bearing, FWD
1 - Wheel Bearing Unit
Removing and installing. Refer to
→ Chapter "Wheel Bearing Unit, Removing and Installing, FWD".
Handling the wheel bearing. Refer to
→ Fig. "Wheel Bearing, Handling".
2 - Front Seal
3 - Wheel Bear
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