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:
Roof rack
General information
Applies to: vehicles with roof rack mount
Fig. 77 Roof rail: mounting points
If luggage or cargo is to be carried on the roof,
you must observe the following:
These roof racks are the basis for a complete
roof rack system. Only roof racks that are suitable
for your vehicle m
Overview - Subframe
Overview - Subframe, Vehicles with FWD
Caution
There is a risk of damaging the subframe threaded
connection threads on the body.
The subframe bolts on the body must not be loosened
or tightened with an impact wrench.
Always install all bolts by hand for the first few
turns.
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