Audi Q5: Refrigerant Circuit Components, Replacing
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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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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
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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General information
Applies to vehicles: with selective catalytic reduction
In vehicles with selective catalytic reduction, a urea solution (AdBlue) is
injected into the exhaust system before a nitrogen oxide catalytic converter to
reduce nitrogen emissions.
The AdBlue is carried in a separate ta
Applies to vehicles: with hybrid drive
The indicator lights in the instrument cluster blink or turn on. They
indicate functions or malfunctions.
With some indicator lights, messages may appear and a warning tone may sound.
Press brake pedal to start vehicle
This message appears if you do not press
