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:
Instrument Panel Side Cover, Removing and Installing
Special tools and workshop equipment
required
Trim Removal Wedge -3409-
Removing
- Pry off the cover -1- for the
instrument panel side cover using the Trim Removal Wedge -3409--arrow-.
- Remove the cover rearward from the A-pillar gap cover.
Installing
Install in reverse ord
Component Overview - Run-Flat Tire (PAX)
Caution
It is mandatory for run-flat tires to have a tire
pressure monitoring system in the vehicle.
Note
Be careful not to scratch off the glued- on wheel trim on
these rims.
The surface of the wheel trim is very sensitive.
The rim will have be replaced if the wheel
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