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SEAT Leon Mk1 Cupra 1.8 20VT Timing Belt Service — Seat Leon 1999 | MyCarFault

SEAT Leon Mk1 Cupra 1.8 20VT Timing Belt Service

Seat Leon 1999 1.8T AGU/AUM

On This Page: 🔧 All Repairs ⚠️ Avoid These 🔗 Similar Faults

⚡ 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 1.8T in Leon Mk1 Cupra uses a timing belt. Replace every 60,000 miles. Same belt as A4 B5 1.8T. Cost: £200-350.

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 Seat Leon 1999 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.

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