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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI1999A8 QUATTROREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSRADIO, TELEPHONE, NAVIGATION, TRIP COMPUTERNAVIGATION SYSTEM III (NS-LOW) THROUGH 01.01NAVIGATION CONTROL MODULE WITH CD DRIVE -J401-, REMOVING AND INSTALLINGINSTALLING
1999 Audi A8 Quattro
Navigation control module with CD drive -J401-, removing and installing: Installing
1999 Audi A8 QuattroSECTION Installing
- Install in reverse order of removal.CAUTION: Do not use fasteners other than the original factory type when installing control modules. Control module damage will result.
Installation Notes:
- The control module for navigation and retainer frame must be installed together in horizontal position and free from vibration to avoid system trouble.
- In addition, air circulation must be ensured, meaning that ventilation slots of the control module may not be covered while installing.
- When replacing the control module, make sure to send in the completed "form for navigation system complaint" with faulty component.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.