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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Switching lane guidance on and off
Applies to: vehicles with adaptive cruise assist and lane guidance
Fig. 101 Turn signal lever: button for lane guidance and
lane departure warning
Within the limits of the system, lane guidance
provides corrective steering to assist the driver
with keeping the vehicle in the center of the lane
as m
Front Backrest, Removing and Installing
Backrest Cover, Removing and Installing
Removing
WARNING
Danger of being injured by burrs on the backrest
cover.
Wear protective gloves.
- Reach behind the backrest cover -1-
and pull the cover off the backrest frame to the right as
illustrated.
Note
If this is d
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