Audi Q3: A/C System, General Information
Heating, Ventilation & Air Conditioning / Audi Q3 (8U) 2011-2018 Service Manual / 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 aSEE MORE:
Wheel bolts and rims
Wheel bolts
Wheel bolts must be clean and loosen/tighten
easily.
Rims
Rims with a bolted rim ring or with bolted wheel
covers consist of multiple pieces. These components
were bolted together using special bolts and a special procedure. You must not
repair or
disassemble them.
WARNING
Wheel bolts t
General, Technical data
Repair Information
Wire Routing and Securing
When loosening or removing and installing hydraulic, pneumatic or electrical
lines, draw sketches or take pictures. This will ensure they are installed in
their original positions.
Contact Corrosion
Contact corrosion can occur if incorrect fastene
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