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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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
Steering Column Electronics Control Module Connector Assignment
Steering Column Electronics Control Module -J527- Connector Assignment,
with Mechanical Ignition Lock
The Steering Column Electronics Control Module -J527- is
part of the complete system "steering column switch module". It
receives the signal for example from the steering column switch.
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