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:
Brake Master Cylinder, Removing and Installing
Special tools and workshop equipment
required
Brake Charger/Bleeder Unit -VAS5234-
Sealing plugs from Repair Kit -1H0 698 311 A-
Removing
- Remove the brake fluid reservoir, refer to
→ Chapter "Brake Fluid Reservoir, Removing and Installing".
- Disconnect the
Steering Column Electronics Control Module Connector Assignment
Steering Column Electronics Control Module -J527- Connector Assignment,
with Mechanical Ignition Lock
The Steering Column Electronics Control Module -J527- is
part of the complete system "steering column switch module". It
receives the signal for example from the steering column switch.
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