Audi Q3: A/C System, General Information
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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
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - S
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
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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
Tire Pressure Monitoring with Pressure Sensor
WARNING
If tire sealant was used, then the wheel electronics
on that particular wheel must be replaced.
The wheel electronics, that is, the system pressure sensor,
forms a physical unit with the valve.
Note
The lettering on th