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:
Cooling Output, Checking
Cooling Output, Checking
Special tools and workshop equipment
required
Vehicle Diagnostic Tester
A standard thermometer (for temperature measurements, if
necessary a thermometer with two measuring probes for
simultaneous measurement, for example, for temperature on the
right and left)
High-Mounted Brake Lamp
Overview - High-Mounted Brake Lamp
1 - High-Mounted Brake Lamp
High-Mounted Brake Lamp Bulb -M25-
Removing and installing. Refer to
→ Chapter "High-Mounted Brake Lamp Bulb, Removing and Installing".
2 - Spring Nut
3 - Bolt
2.5 Nm
4
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