Audi Q3: A/C System, General Information
Audi Q3 (8U) 2011-2018 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing / 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 a
SEE MORE:
Tire wear and damage
Fig. 155 Tire profile: treadwear indicator
Tire wear
Check the tires regularly for wear.
Inflation pressure that is too low
or high can increase tire wear
considerably.
Driving quickly through curves,
rapid acceleration, and heavy
braking increase tire wear.
Have an authorized Audi dealer
Seat Position Sensor
Overview - Seat Position Sensor
Note
The illustration shows the passenger seat position sensor with the
wiring harness.
1 - Connector
Connector station in the vehicle floor under on the sill panel under
the seat.
2 - Cable Holder/Cable Tie
Clipped in
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