Why Is My Suzuki Bolan’s Engine Making Unusual Noises?

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Why Is My Suzuki Bolan’s Engine Making Unusual Noises?

Lately, my Suzuki Bolan’s engine has been making strange noises, especially when accelerating o r at idle. The noises sound like knocking o r tapping. What could be causing these unusual sounds, and how can I diagnose and resolve the issue?

Gari Specialist asked on 09 Apr 2025 15:27:33 pm

1 Answer

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Gari Master - on 09 Apr 2025 15:31:07 pm

Unusual engine noises in your Suzuki Bolan can indicate various issues. Here are some potential causes:

Engine Knocking Ping: This sounds like a metallic pinging o r knocking noise and is usually caused by poor fuel quality o r incorrect ignition timing. If the engine is knocking, the fuel mixture may not be burning as it should.

Valve Noise: Tapping o r ticking sounds from the engine could indicate that the valve lifters o r push rods are worn out, leading to improper valve operation.

Piston Slap: If you hear a deep knocking sound that increases with engine speed, it could be piston slap caused by worn-out pistons o r cylinder walls.

Loose Timing Chain/Belt: A loose o r worn timing chain o r belt can create a rattling o r whining sound, especially at idle o r when accelerating.

Serpentine Belt Issues: The serpentine belt drives multiple accessories in the engine. If it is loose o r worn, it can cause squealing o r whining sounds.

Solution: If you suspect knocking, try using higher-octane fuel and have the ignition timing checked. For valve o r piston-related noises, the engine may require a professional inspection. If you hear a rattling noise, inspect the timing chain/belt and serpentine belt, and replace them if necessary.