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:
Safety systems monitoring
The
indicator light in the instrument cluster
monitors the safety systems such as the airbags
(including the control modules, sensor, and wiring)
and the belt tensioners. It turns on when you
switch the ignition on and turns off after several
seconds.
If the indicator light does not turn on when
Multimedia connections
USB adapter
Fig. 139 Audi Genuine Accessories: USB adapter
You can connect your mobile devices to the MMI
using the USB ports with charging function and a
USB adapter, and charge the battery at the same
time.
You can purchase the USB adapter cable from an
authorized Audi dealer or at specialty stor
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