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:
Control Module and Hydraulic Unit
Overview - Control Module and Hydraulic Unit
1 - Brake Booster
Removing and installing, refer to
→ Chapter "Brake Booster, Removing and Installing".
2 - Brake Line
Master brake cylinder/primary piston circuit to hydraulic control
unit
Identification: 6.
Overview - A/C Compressor Power Unit
Overview - A/C Compressor Power Unit, 4-Cylinder Engine
1 - Ribbed Belt
Check for wear
Removing and installing. Refer to
→ Rep. Gr.13; Cylinder Block, Belt Pulley Side; Ribbed Belt, Removing
and Installing.
Mark the rotation direction, install on correct side. Re
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