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.
2004 Porsche Cayenne BaseFACTORY OEM SERVICE PROCEDURE
Instruments, Alarm System
- 90 IN Work instructions after disconnecting the battery - as of MY 2003 (All Models Except Cayenne S TIO Titan)
- Connecting and disconnecting battery
- Effect of disconnection or total discharge of battery on electrical systems in the vehicle and the precautions to be taken
- Test drive after disconnecting battery
- Effects of overvoltage on electrical and electronic systems during welding work and the precautions to be taken
- 90 IN Battery trickle charge - as of MY 2003 (All Models)
- 90 03 19 Removing and installing dashboard insert - as of MY 2003 (All Models)
- 90 25 19 Removing and installing instrument cluster - as of MY 2003 (All Models)
- 90 35 19 Removing and installing gateway control unit - as of MY 2005 (All Models)
- 90 50 19 Removing and installing horn - as of MY 2003 (All Models)
- 90 58 19 Installing and removing socket - as of MY 2003 (All Models)
- 90 62 19 Removing and installing cigar lighter - as of MY 2003 (All Models)
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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