Audi A4 Owners & Service Manuals

Audi A4: Sound System

READ NEXT:

 Overview - Sound System

The following systems are offered: 8RM - Basic sound system. 9VD - Standard sound system. 9VS - Premium sound system, Bang & Olufsen. 8RM - Basic Sound System One speaker in

 Component Location Overview - Sound System

Component Location Overview - Sound System, Speaker, Sedan 1 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-, 8RM, 9VD    - Left Front Midrange Speaker 2

 Control Module/Digital Sound System Amplifier, Removing and Installing

Special tools and workshop equipment required Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9-. The Digital Sound System Control Module -J525--1- is located behind the left luggage

SEE MORE:

 Battery

Battery general information Because of the complex power supply, all work on batteries such as disconnecting, replacing, etc., should only be performed by an authorized Audi dealer or authorized Audi Service Facility. Multiple batteries with different technologies may be installed in your vehicle:

 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 refrigerant. The refrigerant used is tetrafluoroethane R134a, which boils at -26.5 ºC (-15.7 ºF) at

© 2019-2026 Copyright www.audia4b9.com