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:
Engine oil
If the engine oil level is too low
Fig. 147 Engine oil sticker
Engine oil viscosity
Engine oil standard
If you need to add engine oil, use an oil that
meets the engine oil standard listed on the sticker
fig. 147. The sticker with the
specified
standard is located in the front of the engine co
Windshield washer system
Fig. 153 Engine compartment: washer fluid reservoir cap
Observe the safety precautions.
The windshield washer reservoir
contains the
cleaning solution for the windshield/rear window
and the headlight washer system
fig. 153.
To reduce the risk of lime scale deposits on the
spray nozzles, use c
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