Porsche Cayenne 955 4.5 V8 IMS Bearing Failure
Porsche
Cayenne
2003
4.5 V8 M48
⚡ Quick Summary
Severity Level
High
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟠 Fix Soon
The intermediate shaft bearing on early Cayenne 4.5 V8 can fail catastrophically, destroying the engine. This is the Cayenne equivalent of the Boxster/911 IMS issue. Preventive IMS bearing replacement costs £800-1,500 and is the single most important preventive maintenance item on these cars.
Onarım / Çözüm
No confirmed fixes yet. Share yours below.
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Porsche Cayenne 2003 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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