Audi Q5 Owners & Service Manuals

Audi Q5: A/C System, General Information

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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 study

 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 - Solid

 Refrigerant R134a

Refrigerant R134a Physical Data Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as ref

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 Filling AdBlue

Applies to vehicles: with selective catalytic reduction Fig. 193 Right rear vehicle side: removing the AdBlue cap The AdBlue tank opening is located near the diesel tank opening Add at least 1 gallon (3.8 liters) of AdBlue. This is the minimum amount required to ensure the system detects the refill

 Battery Charger -VAS5903- Support Mode

General Information The support mode provides the vehicle electrical system with voltage when the Battery -A- is removed or disconnected. For more information. Refer to the Battery Charger -VAS5903- Operating Instructions. The support mode is used for the following situations: Vehicle electrical

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