Audi Q7 Owners & Service Manuals

Audi Q7: 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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 Vacuum System, Checking

Tests and Test Requirements Special tools and workshop equipment required Brake Servo Tester -VAS6721- The following checks will be helpful when performing Fault Finding in case of complaints regarding the brake booster or the so-called "hard brake pedal". The following components are included

 Rubber Valve

1 - Valve body 2 - Valve Insert 3 - Valve cap 1. The Valve Body The rubber valve for tubeless tires is designed to seal air-tight in the hole in the rim. The elastic material of the rubber body presses itself tightly into the hole in the rim. When valves with threade

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