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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Rain/Light Recognition Sensor, Removing and Installing
Rain/Light Recognition Sensor -G397-, Removing and Installing
Special tools and workshop equipment
required
D 009 401 04 -Cleaning Solution-
Removing
- Turn off the ignition.
- Vehicles with ignition lock: Remove the key.
- Remove the interior rearview mirror. Refer to
â
Rear Brake Pads, Removing and Installing
Brake Pads, Removing and Installing, Brakes 1KU
If old brake pads are being replaced with new ones, then it
is necessary to check the brake rotor thickness for wear. Pay
attention to the wear specifications for the brake rotor, refer
to
→ Chapter "Brakes Technical Data".
Special too
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