Toyota Estima Engine Knocking Noise

🚗 Toyota Estima Engine Making “Kok Kok” Noise? It Could Be the Balance Shaft!

Do you hear a metallic knocking sound (“kok kok”) when starting your Toyota Estima, especially when the engine is cold?

⚠️ Many drivers think it's normal — but this could be an early sign of a worn or loose balance shaft.

🔍 Common Symptoms:

• Knocking sound on cold start

• Sound disappears after 2–5 seconds

• Slight engine vibration at idle

• Increased fuel consumption or poor performance

🔧 What Causes This?

The balance shaft is designed to reduce engine vibration.
Over time, its bearings may wear out, or the shaft may become loose.
This causes metal-to-metal contact, especially when the engine is cold and the parts haven't expanded fully.

⚠️ What Happens If You Ignore It?

• Knocking noise will get louder over time

• Engine vibration may become worse

• Could lead to internal engine damage, requiring costly repairs or overhaul

✅ What You Should Do:

✔ Get your Estima checked by a specialist workshop familiar with Toyota MPV engines
✔ Early detection and repair can save you time and money
✔ Don’t wait for the noise to get worse

📍 MD AUTO TOYOTA | LEXUS SPECIALIST MALAYSIA
📌 Locations: Selayang & Petaling Jaya
📲 WhatsApp: www.wasap.my/60165243231

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