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
SEE MORE:
Belt Pulley, Removing and Installing, Valeo A/C Compressor
Note
On A/C compressors with part number 1K0 820 803 as of index
"N", the drive plate splines are bonded to Air Conditioning
(A/C) compressor shaft splines, removing drive plate. Refer to
→ Chapter "Belt Pulley, Removing and Installing, Valeo A/C
Compressor".
On A/C comp
Airbag Fasteners, Checking After a Collision
All damaged securing pieces must be replaced, you cannot
reshape components or "make them fit".
The following components must be checked after every airbag
deployment.
With a passenger airbag deployment:
Instrument panel central tube, passenger airbag supports and
passenger airbag must b
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