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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Horn
Overview - Horn
1 - Nut
9 Nm
2 - Nut
9 Nm
3 - Low Tone Horn -H7-
Removing and installing. Refer to
→ Chapter "High Tone Horn -H2-/Low Tone Horn -H7-, Removing and
Installing".
4 - Bracket
For the right horn
5 -&nb
Predictive route guidance
Applies to: vehicles with navigation system and predictive
route guidance
Your MMI can learn the routes that you drive frequently
(such as your daily commute to work and
back) and suggest route guidance based on the
current vehicle position.
When the function is switched on, the MMI records
the rou
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