Porsche Cayenne 955 Coolant Loss — Plastic Water Pump
Porsche
Cayenne
2003
3.2 V6/4.5 V8
⚡ 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 plastic impeller water pump on early Cayenne separates from its shaft, stopping coolant circulation. Temperature gauge rises suddenly without warning. Replace the water pump, thermostat and all coolant hoses as a set every 60,000 miles preventively. Cost: £400-700.
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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