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:
Dimming the mirrors
Manual dimming rearview mirror
Pull the lever on the bottom of the mirror back.
Automatic dimming rearview mirror
The interior and exterior mirrors dim automatically
when light shines on them, for example
from headlights on a vehicle behind you.
WARNING
Applies to: vehicles with automatic di
Checking the engine oil level
The engine oil dipstick varies depending on the
engine type.
Fig. 148 Oil dipstick (example): checking the engine oil level
Observe the safety precautions.
Park the vehicle on a level surface.
Shut the engine off when it is warm.
Wait approximately five minutes so that the engine
oil can flow
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