Audi Q3: A/C System, General Information
Heating, Ventilation & Air Conditioning / Audi Q3 (8U) 2011-2018 Service Manual / 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 aSEE MORE:
LED and battery in the remote control key
Fig. 27 Remote control key (rear side): opening the cover
LED on the remote control key
The LED in the remote control key (front side) indicates
the status of the key.
If you press a button briefly, the LED blinks
once.
If you press and hold a button (convenience
opening/closing), the LED blin
Jump starting
Preparation
You should only perform the steps that follow if
you have the necessary tools and technical expertise.
If the engine does not start because the vehicle
battery is drained, you can jump start your vehicle
using another vehicle. Jump start cables are
needed to do this.
Both vehicle batteri
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