Do you hear a metallic knocking sound (“kok kok”) when starting your Toyota Estima, especially when the engine is cold?
โ ๏ธ Many drivers think it's normal — but this could be an early sign of a worn or loose balance shaft.
Knocking sound on cold start
Sound disappears after 2–5 seconds
Slight engine vibration at idle
Increased fuel consumption or poor performance
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.
โ ๏ธ 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
โ Get your Estima checked by a specialist workshop familiar with Toyota MPV engines
โ Early detection and repair can save you time and money
โ Don’t wait for the noise to get worse
๐ MD AUTO TOYOTA | LEXUS SPECIALIST MALAYSIA
๐ Locations: Selayang & Petaling Jaya
๐ฒ WhatsApp: www.wasap.my/60165243231
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