VW Golf Engine Knocking — Piston Slap Cold Start
Volkswagen
Golf
2009
1.4 TSI/2.0 TSI
Safe to Drive?
⚠️ Drive with Caution
Urgency Level
🟡 Monitor Closely
A light knocking noise from Golf TSI engine on cold start that disappears within 30 seconds is often piston slap from cold clearances. This is relatively normal on worn TSI engines. Persistent knock when warm indicates bearing wear requiring investigation.
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