Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2012A4 2.0T AVANT QUATTROREPAIR AND DIAGNOSISELECTRICALHORNSCOMMUNICATION (AVANT)91 COMMUNICATIONDESCRIPTION AND OPERATIONSOUND SYSTEM COMPONENT AND SYSTEM OVERVIEWSSOUND SYSTEM COMPONENT LOCATION OVERVIEW, THROUGH 10.31.2008
2012 Audi A4 2.0T Avant Quattro
Sound System Component Location Overview, Through 10.31.2008
2012 Audi A4 2.0T Avant QuattroSECTION Sound System Component Location Overview, Through 10.31.2008
- Left Front Treble Speaker -R20- /Left Front Midrange Speaker -R103- /Right Front Treble Speaker -R22- /Right Front Midrange Speaker -R104-
- Removing and installing, refer to FRONT MIDRANGE AND TREBLE SPEAKERS .
- Bolt
- 1 Nm
- Left Front Treble Speaker -R20- /Right Front Treble Speaker -R22- (B+O)
- Removing and installing, refer to FRONT TREBLE SPEAKER, BAND & OLUFSEN .
- Left Rear Midrange Speaker -R105- /Right Rear Midrange Speaker -R106-
- Removing and installing, refer to REAR MIDRANGE SPEAKER .
- Bolt
- 2 Nm
- Subwoofer In The Rear Shelf -R157-
- Removing and installing, refer to SUBWOOFER IN REAR SHELF -R157- .
- Nut
- 4.5 Nm
- Digital Sound System Control Module -J525- (CAN)
- For standard CAN connectors, refer to SOUND SYSTEM STANDARD, CAN .
- Connector B+O (CAN). Refer to SOUND SYSTEM BANG & OLUFSEN, CAN .
- CAN, removing and installing, refer to DIGITAL SOUND SYSTEM CONTROL MODULE -J525-, CAN .
- Bolt
- 3.5 Nm
- Digital Sound System Control Module -J525- MMI
- For basic plus connectors, through 10.31.2008, refer to SOUND SYSTEM BASIC PLUS, MMI, THROUGH 10.31.2008 .
- Standard connectors through 10.31.2008, refer to SOUND SYSTEM STANDARD, MMI, THROUGH 10.31.2008 .
- Connectors B+O (MMI). Refer to SOUND SYSTEM CONNECTORS, BANG & OLUFSEN MMI .
- MMI through 10.31.2008, removing and installing, refer to DIGITAL SOUND SYSTEM CONTROL MODULE -J525-, MMI THROUGH 10.31.2008 .
- Bolt
- 4.5 Nm
- Left Rear Mid-Bass Speaker -R159- /Right Rear Mid-Bass Speaker -R160-
- Removing and installing, refer to REAR MID-BASS SPEAKER .
- Bolt
- 3 Nm
- Left Rear Treble Speaker -R14- /Right Rear Treble Speaker -R16-
- Removing and installing, refer to REAR TREBLE SPEAKER .
- Bolt
- 3 Nm
- Left Front Mid-Bass Speaker -R101- /Right Effects Speaker -R21- /Right Front Mid-Bass Speaker -R102- /Right Front Bass Speaker -R23-
- Removing and installing, refer to FRONT MID/LOW RANGE AND FRONT BASS SPEAKERS .
- Center Mid/High Range Loudspeaker -R158-
- Removing and installing, refer to CENTER MID/HIGH RANGE LOUDSPEAKER -R158- .
- Bolt
- 1 Nm
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.