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:
Instrument cluster overview
Fig. 2 Audi virtual cockpit plus overview
Fig. 3 Digital instrument cluster or Audi virtual cockpit overview
Depending on the vehicle equipment, the following
items may appear in the instrument cluster:
Display
Engine coolant temperature
Left dial
Tachometer
Tab area
Central ar
Parking Aid Control Module -J446-, Removing and Installing
Note
On vehicles with parallel parking assist the Parallel
Parking Assistance Control Module -J791- is integrated in the
Parking Aid Control Module -J446-.
- If replacing the control module, select the "Replace Control
Module" function Vehicle Diagnostic Tester.
Removing
-&nb
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