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 MANUALSAUDI2004A4 BASE, 4D SEDAN, 3.0 TREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTNAVIGATION SYSTEM - EXCEPT CABRIOLETNAVIGATION SYSTEM IVCONTROL MODULE FOR NAVIGATION WITH CD-MECHANISM -J401-, REMOVING AND INSTALLINGINSTALLING
2004 Audi A4 Base, 4D Sedan, 3.0 T
Control module for navigation with CD-mechanism -J401-, removing and installing: Installing
2004 Audi A4 Base, 4D Sedan, 3.0 TSECTION Installing
- Install in reverse order of removal.
Installation instructions:
- The control module for navigation and mounting frame must be installed as free of vibrations as possible to avoid system malfunctions.
- Air circulation must also be guaranteed, i.e. the ventilation slots in the control module must not be covered when installed.
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.