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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The hood is released from inside the vehicle.
Fig. 144 Footwell: release lever
Fig. 145 Unlocked hood: lever
Observe the safety precautions.
Make sure the wiper arms are not raised up from
the windshield. Otherwise the paint could be
damaged.
Opening the hood
With the door open, pull the lever
Overview - Windshield
Caution
On vehicles equipped with lane assist, the camera
must be recalibrated if the windshield has been
replaced. Refer to
→ Suspension, Wheels, Steering; Rep. Gr.44; Driver
Assistance Systems Front Camera; Driver Assistance
Systems Fron