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:
Front Belt End Fitting, Removing and Installing
Front Belt End Fitting, Removing and Installing, USA and Canada
Market-Specific
Removing
- Remove the front seat. Refer to
→ Chapter "Front Seat, Removing and Installing".
- Remove front sill panel trim. Refer to
→ Chapter "Front Sill Panel Strip, Removing and Instal
Cooling Output, Checking, Automatic Climate Control System
Procedure
The requirements for testing the cooling capacity are
fulfilled. Refer to
→ Chapter "A/C Cooling Output, Testing Requirements".
- Measure the ambient temperature (must be warmer than 15 ºC
(59 ºF) ).
- Close the doors, the engine hood, the windows, the sunr
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