Audi A4: Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
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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, Flushing
Note
In the case of vehicles on which the refrigerant lines have
no threads for connection of Adapter Set -1785-. Use for example
a flushing gun with rubber end piece or an adapter from th
SEE MORE:
Starting the vehicle
Convenience key
Applies to: vehicles with convenience key
Fig. 94 Center console: starting the engine
Requirement: the key must be in the vehicle.
Starting the engine
Press and hold the brake pedal.
Press the [START ENGINE STOP] button. The engine
will start.
Equipment that uses a lot of elect
Commercially Available Tools and Materials
Fin comb
Fill hoses
5/8"-18 UNF thread
Note
Use differently colored charging hoses (1800 mm long).
Have valve opener and spare seals to hand.
A charging hose in short version is also included in
Refrigerant Circuits Adapter Set 1 -VAS6338/1-.
Connection piece for refrigerant cylinder
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