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
Exhaust System
- 26 01 01 Checking exhaust system for leaks - as of MY 2003 (All Models)
- 26 01 19 Removing and installing exhaust system - as of MY 2003 (All Models)
- 26 10 19 Removing and installing exhaust manifold - Cayenne Turbo (type M48/50) - as of MY 2003 (Cayenne Turbo, Cayenne Turbo S)
- 26 10 19 Removing and installing exhaust manifold - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne S TIO Titan)
- 26 10 19 Removing and installing exhaust manifold - as of MY 2004 (Cayenne TIP, Cayenne MAN)
- 26 28 01 Checking exhaust system mount - as of MY 2003 (All Models)
- 26 33 55 Replacing rear silencer - as of MY 2003 (All Models)
- 26 34 15 Adjusting tailpipes - as of MY 2003 (Cayenne TIP, Cayenne MAN, Cayenne S TIP, Cayenne S MAN, Cayenne S TIO Titan)
- 26 34 15 Adjusting tailpipes - as of MY 2003 (Cayenne Turbo, Cayenne Turbo S)
- 26 34 19 Removing and installing tailpipes - as of MY 2003 (All Models)
- 26 65 19 Removing and installing secondary air pump - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan)
- 26 65 19 Removing and installing secondary air pump - as of MY 2004 (Cayenne TIP, Cayenne MAN)
- 26 73 19 Removing and installing (main) catalytic converter - as of MY 2004 (Cayenne TIP, Cayenne MAN)
- 26 73 19 Removing and installing (main) catalytic converter - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan)
- 26 76 19 Removing and installing primary catalytic converter - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne S TIO Titan)
- 26 76 19 Removing and installing primary catalytic converter - as of MY 2004 (Cayenne TIP, Cayenne MAN)
- 26 76 19 Removing and installing primary catalytic converter - Cayenne Turbo - as of MY 2003 (Cayenne Turbo, Cayenne Turbo S)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no 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.