Audi Q7 Owners & Service Manuals

Audi Q7: A/C System, General Information

Audi Q7 (4M) 2016-2026 Workshop Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing / A/C System, General Information

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 General Information

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 c

 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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 General information

Regular, proper care helps to maintain your vehicle's value. It can also be a requirement when submitting warranty claims for corrosion damage and paint defects on the body. The required cleaning and care products can be obtained from an authorized Audi dealer or authorized Service Facility. Read a

 Checking Pressures for Vehicles with Restrictor and Reservoir (with Internally Regulated Compressor)

General Information   Note Connect the A/C service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". - With the ignition switched off, check the pressure in the refrigerant circuit (u

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