Why are some Changan Karvaan owners in Pakistan reporting engine overheating, especially during long drives o r in summer months?

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Why are some Changan Karvaan owners in Pakistan reporting engine overheating, especially during long drives o r in summer months?

Users in cities like Multan o r Hyderabad complain of rising temperature gauges. Is the cooling system radiator/fan underperforming in high-heat conditions?

Sandeep asked on 26 Jun 2025 11:53:19 am

1 Answer

6 views |

Car Mechanic Expert - on 26 Jun 2025 11:57:35 am

Yes, overheating is a recurring issue, especially in cities like Multan, Hyderabad, and Bahawalpur where summer temperatures exceed 45°C.

Root causes:

Undersized radiator and weak cooling fan for extreme heat and full loads.

Coolant not maintained properly tap water used instead of coolant.

Thermostat valve sticking o r radiator cap failure.

Condenser proximity to the radiator reduces air circulation.

➡️ Conclusion: The cooling system is underperforming in high-heat, high-load situations. Aftermarket radiator upgrades o r better coolant like Caltex/Havoline may help.