Has anyone faced sudden overheating due to water pump failure in Changan Karvaan?

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Has anyone faced sudden overheating due to water pump failure in Changan Karvaan?

I recently experienced overheating in my Karvaan, and the mechanic said the water pump might be the issue. Is this a common fault in Karvaan? What did you do to fix it?

Lubaba asked on 05 Aug 2025 18:12:14 pm

1 Answer

22 views |

Car Mechanic Expert - on 05 Aug 2025 18:15:07 pm

Yes, sudden overheating due to water pump failure is a known issue, especially in 2018–2021 Karvaan models.

Causes:

Worn-out bearings o r impellers

Coolant leakage

Broken internal seals

Fix:

Replace the faulty pump immediately.

Flush the cooling system and refill with high-quality coolant not just water.