Audi Q3: A/C System, General Information
Audi Q3 (8U) 2011-2018 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing / A/C System, General Information
- Introduction
- A/C Technology Basic Principles
- Refrigerant Oil
- A/C System and Refrigerant R134a Safety Precautions
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Introduction
The purpose of this repair manual is to provide service
advisors and technicians with the basic knowledge needed to
ensure professional and competent procedures.
Note
Only the careful s
A/C Technology Basic Principles
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - S
Refrigerant Oil
General Information
Caution
When handling refrigerant oil, pay attention to
local regulations.
Refrigerant oil mixes with the refrigerant (about 20-40%,
depending on compressor type a
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Opening and closing the luggage
compartment lid with foot motion (kicking
movement)
Applies to: vehicles with sensor-controlled luggage compartment
lid
Fig. 31 Vehicle rear: foot motion (example)
The luggage compartment lid can be opened and
closed automatically 1).
Requirements: you must be carrying your convenience
key with you. The ignition must be switched
off. You must be sta
Operating in the cockpit
Fig. 78 Deluxe automatic climate control with 2 zones/3 zones: controls
Observe the safety precautions.
The functions can be switched on and off by
pressing the buttons or adjusted by turning the
knob. When the function is switched on, the LED
in the respective button or knob turns on.
Cooling mod
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