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 SEDAN (8E2) L4-1.8L TURBO (AMB)REPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTNAVIGATION SYSTEMNAVIGATION MODULESERVICE AND REPAIR
2004 Audi A4 Sedan (8E2) L4-1.8L Turbo (AMB)
Navigation Module: Service and Repair
2004 Audi A4 Sedan (8E2) L4-1.8L Turbo (AMB)SECTION Service and Repair
Navigation System With CD Drive Control Module J401, Removing And Installing
Special tools, testers and auxiliary items required
- Radio release tool T10057
CAUTION:
- Switch off all electrical consumers.
- Switch ignition off and remove ignition key.
Removing:
- Open cover for left storage compartment in luggage compartment.
- Insert radio release tools T10057 into front of unit - 2 -.
- Pull unit out from mounting frame -1 -.
- Disconnect electrical connections
- Pull out the release tools from the unit - to do this, press in the locking tabs on the unit.
Installing:
- Install in reverse order of removal, noting the following.
NOTE:
- 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.
- Should a new unit be installed, perform coding and adaptation.
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.