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
SEE MORE:
Humidity Sensor -G355-, Removing and Installing
Humidity Sensor -G355-, Removing and Installing, Vehicles without
Driver Assistance Systems Front Camera
Note
Only on vehicles with an automatic climate control system
There are different versions. Refer to the Parts Catalog.
Removing
- Remove the interior rearview mirror.
Drive Axle, Removing and Installing
Removing
- Measure dimension from center of wheel to lower edge of
wheel housing. Refer to
→ Chapter "Wheel Bearing in Curb Weight, Lifting Vehicles with
Coil Spring".
- Loosen the drive axle threaded connection. Refer to
→ Chapter "Drive Axle Threaded Connection, Lo
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