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:
Speed warning system
Description
Applies to: vehicles with speed warning system
The speed warning system helps the driver to
stay below a specified maximum speed. A warning
threshold can be set in the MMI for this purpose.
Once the speed slightly exceeds the stored
threshold, the speed warning system will alert
the dri
Charging the 12 volt vehicle battery
Fig. 152 Engine compartment with battery: connections
for charger and jump start cable
Observe the safety precautions.
Requirement: only use chargers with a maximum
charging current of 14.8 volts. The battery cables
remain connected.
The battery is located in the engine compartment.
The ground po
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