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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Removing
- Disconnect the door connector on the A-pillar. Refer to
→ Electrical Equipment; Rep. Gr.97; Connectors.
Note
Secure the A-pillar in the area of the door arrester using
adhesive tape, so that the paint will not be damaged.
- Remove the door arrest
If the customer complains of loss of air from a tire, the
tire must absolutely be checked for embedded foreign debris.
Note
No repair should be attempted on steel belted tires of which
the structure has been punctured by a foreign body.
Corrosion can develop on the steel wires. This