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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Mechanically unlocking and locking the doors
All doors must be unlocked or locked separately
if the central locking system fails.
Fig. 22 Driver's door: door lock cylinder
Fig. 23 Door: mechanically locking
Applies to: vehicles with anti-theft alarm system:
After unlocking using the lock cylinder and opening
the driver's door, you must press
Overview - Antenna Systems
The antenna system consists of the Roof Antenna -R216- and
the window antenna.
Roof Antenna -R216-
GPS Antenna -R50-, only on 7T2, 7T6 and 7Q4
Telephone Antenna -R65-, only on 9ZF and 9ZW
Satellite Antenna -R170-, only North America and QV8
Auxiliary Heater Antenna -R182-, only Europe a
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