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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 Seat Frame Tunnel-Side Trim Panel, Removing and Installing, Third Row

Removing - Remove the third row cushion. Refer to → Chapter "Cover and Cushion, Removing and Installing, Third Row Seat Pan". - Remove the expanding clips -2 and 3-, and disengage the upper trim panel -1- the seat frame -arrow-. - Disengage the lower trim panel on the seat

 Evaporator, Removing and Installing

  Note The removed evaporator contains refrigerant oil that must be returned to the refrigerant circuit (with the new evaporator). Refer to → Refrigerant R134a Servicing; Rep. Gr.87; Refrigerant Circuit Components, Replacing. Removing - Remove the rear heater and A/C

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