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VW Golf Coolant Smell After Engine Off — Expansion Tank — Volkswagen Golf 2009 | MyCarFault
⚪ UNSOLVED No confirmed fix yet · Be the first to help

VW Golf Coolant Smell After Engine Off — Expansion Tank

Volkswagen Golf 2009 All
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⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely

A coolant smell from the engine bay immediately after switching off a Golf engine indicates a hairline crack in the plastic expansion tank that only seeps when the system is hot and pressurised. The crack seals as the system cools. Tank replacement costs £40-80.

Repair / Solution

No confirmed fixes yet. Share yours below.

⚠️ Wrong Diagnosis?

No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Volkswagen Golf 2009 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.

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