Audi A4 Owners & Service Manuals

Audi A4: A/C System, General Information

READ NEXT:

 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

SEE MORE:

 Differential

Overview - Differential 1 - Left Flange Shaft Seal Replacing. Refer to → Chapter "Left Seal, Replacing". 2 - Shim Behind the taper roller bearing outer race 3 - Taper Roller Bearing Outer Race 4 - Front Differential 5 - Bolt Tighteni

 Head-up display

Description Applies to: vehicles with head-up display Fig. 19 Instrument panel: knob for the head-up display The head-up display projects certain warnings or selected information from the assist systems on the windshield. The display appears within the driver's field of vision. Switching on and off

© 2019-2025 Copyright www.audia4b9.com