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 Panel, Removing and Installing
Instrument Panel Storage Compartment, Removing and Installing
Special tools and workshop equipment
required
Trim Removal Wedge -3409-
Removing
- Remove the center instrument panel vent. Refer to
→ Chapter "Center Instrument Panel Vent, Removing and
Installing".
- Remo
Expansion Valve, Removing and Installing
Special tools and workshop equipment
required
Engine Bung Set -VAS6122-
Removing
- Remove the refrigerant pipes from the expansion valve. Refer
to
→ Chapter "Refrigerant Lines, Disconnecting and Connecting at
Expansion Valve".
- Remove the bolts -A-.
- Remove
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