Why Does My Hyundai Tucson Overheat on Uphill Drives o r Long Trips?

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Why Does My Hyundai Tucson Overheat on Uphill Drives o r Long Trips?

Whenever I drive uphill o r on long highway trips in summer, my Tucson’s engine temperature rises beyond normal levels. Could this be related to radiator efficiency, water pump, o r other cooling system components? How can I prevent overheating during such drives in Pakistan?

Gari Specialist asked on 14 Jun 2025 11:59:29 am

1 Answer

8 views |

Gari Master - on 14 Jun 2025 12:01:08 pm

Uphill driving and extended highway use put extra strain on the cooling system, increasing the engine load and heat generation:

The water pump must circulate coolant efficiently a failing pump reduces flow, causing overheating.

The radiator must dissipate more heat if clogged o r damaged, it won’t cool properly.

In Pakistan’s high ambient temperatures and often heavy traffic, these problems are amplified.

Low coolant levels o r air trapped in the system can also worsen overheating.

Preventive steps:

Regularly inspect and replace the water pump as per maintenance schedule usually around 100,000 km.

Flush and clean the radiator periodically.

Ensure coolant is topped up and system is free of air pockets.

Avoid heavy loads and high speeds during extreme heat whenever possible.