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:
Connector Housings and Connectors, Repairing
Connector Housings and Connectors, Repair Information
Note
Observe general notes for repairs on the vehicle electrical
system. Refer to
→ Chapter "Vehicle Electrical System, General Repair
Information".
Allocation of crimp contacts with correct fit to connector
housing
Seat Side Trim on the Tunnel Side, Removing and Installing
Removing
WARNING
Follow all safety precautions when working with
pyrotechnic components. Refer to
→ Chapter "Pyrotechnic Components Safety Precautions".
Before handling pyrotechnic components (for example,
disconnecting the connector), the person handling it
must "dis
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