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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Overview - Rear Outer Three-Point Seat Belt
1 - Belt Guide
Caution
Do not rotate bolts under any circumstances when removing
and installing belt guide. They are set by the manufacturer.
Replace the entire belt guide if damaged.
Removing and installing. Refer to
→ Chapter "Rear Seat Belt Guide, Rem
Clean Working Conditions
Even slight contamination can lead to defects. Therefore
observe the following rules for cleanliness when working on the
A/C system:
Immediately seal the open lines and connections with clean
plugs, for example from the Engine Bung Set -VAS6122-.
Place the components that have been remov
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