What Causes My Suzuki Mehran Engine to Make Strange Noises, and How Can I Fix It?

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What Causes My Suzuki Mehran Engine to Make Strange Noises, and How Can I Fix It?

Owners have reported hearing strange noises from the engine, such as knocking, tapping, o r grinding sounds. What could be the reasons for these noises in a Suzuki Mehran engine? Are these noises caused by low oil levels, worn-out parts, o r engine components needing lubrication?

Gari Specialist asked on 16 Apr 2025 15:57:02 pm

1 Answer

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Gari Master - on 16 Apr 2025 15:59:27 pm

Strange noises from the engine in the Suzuki Mehran, such as knocking, tapping, o r grinding sounds, can be signs of various issues.

Common Causes:

Low Engine Oil: If the oil level is low o r the oil is old and degraded, the engine may make tapping o r knocking sounds due to insufficient lubrication of engine parts.

Worn-out Valves o r Lifters: Worn-out valve lifters o r push rods can cause a tapping noise, which is common in high-mileage vehicles.

Faulty Timing Chain o r Belt: A loose o r damaged timing belt/chain can cause a grinding noise o r a slapping sound.

Damaged Bearings: Worn-out bearings in the engine o r alternator can lead to grinding o r whining noises.

Piston Slap: If the pistons are worn out, they may cause a slapping noise during engine operation.

🛠️ Fix:
Check Oil Levels and replace engine oil regularly with the recommended grade.

Inspect Valves and lifters for wear and replace if necessary.

Check Timing Belt/Chain for wear and replace it as per the recommended schedule.

If noise persists, a mechanic inspection is required to identify the exact cause and replace any worn-out parts.