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🚗 Toyota Estima Making “Kok Kok” Noise? It Could Be a Balance Shaft Problem
Does your Toyota Estima make a metallic knocking or “kok kok” sound when starting the engine, especially when cold?
Many Estima owners ignore this, thinking it’s normal.
But this noise is often an early sign of a worn or loose engine balance shaft
🔍 Common Symptoms:
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Knocking or “kok kok” sound during cold start
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Sound lasts for 2–5 seconds then fades
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Slight engine vibration when idling
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Higher fuel usage or poor engine response
🔧 What Causes It?
The balance shaft helps reduce engine vibration and ensure smooth operation.
Over time, the shaft or its bearings may wear out, especially in high-mileage Estima units.
When cold, the metal gap increases, causing the knocking noise during startup.
⚠️ Risks If Ignored:
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Noise will get louder over time
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Engine may vibrate more while driving
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May lead to internal engine damage or full overhaul
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Repair cost will be much higher later
✅ What You Should Do:
Let your Toyota Estima be inspected by experienced Toyota MPV technicians.
Early detection of balance shaft problems can help you avoid costly repairs and keep your vehicle running smoothly.
📍 MD AUTO TOYOTA | LEXUS SPECIALIST MALAYSIA
We specialize in Estima, Alphard, Vellfire, and Lexus MPVs
🛠️ Locations: Selayang & Petaling Jaya
📲 WhatsApp: www.wasap.my/60165243231
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