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:
Starting and stopping the engine automatically
Applies to: vehicles with Start/Stop system
The system checks if certain conditions are met
before and during the Stop phase, and determines
if the engine stops and how long it remains
stopped. For example, if power usage is
high, the engine will not be stopped. Along with
other conditions, the foll
Passenger Occupant Detection System
Component Location Overview - Passenger Occupant Detection System
WARNING
The replacement part (service kit) for the passenger
occupant detection system is already precalibrated and must not
be separated under any circumstances. The service kit consists
of:
Passenger Occupant D
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