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What are the reasons for severe engine overheating?

3 Answers

Greyson

08/30/25 7:01am

The possible reasons for severe engine overheating are as follows: 1. Insufficient coolant: Prolonged water circulation during engine operation can cause a gradual loss of coolant in the engine's cooling system, leading to a lack of water in the radiator. If the owner fails to promptly inspect and replenish the coolant, this can easily result in engine overheating. 2. Radiator leakage: Broken or improperly connected radiator hoses can cause leaks, which may obstruct water circulation and, in severe cases, lead to engine "boiling over." 3. Cooling fan malfunction: Damage to the cooling fan or a short circuit in the wiring can cause the fan to operate improperly or at a slow speed, preventing the engine's heat from dissipating and naturally causing the engine temperature to rise.

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DiMatthew

09/12/25 4:01am

I've encountered severe engine overheating issues several times, mostly due to an inefficient cooling system - like insufficient coolant, a broken water pump that stops circulating, or radiator clogged with dust hindering heat dissipation. Once during a long drive, my temperature gauge suddenly jumped to the red zone. I panicked but immediately checked and found coolant leaking from the radiator. Replacing the antifreeze later solved the problem. Without regular inspections, engines are prone to overheating damage, and repair costs can be substantial. Also, avoid parking under direct sunlight during hot weather to prevent accelerated temperature rise. I recommend car owners regularly check coolant levels and replace it every 2-3 years - it's cost-effective and ensures peace of mind.

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Adriana

10/26/25 4:50am

I always enjoy DIY car repairs, and when the engine overheats severely, it's often caused by engine oil issues. Insufficient oil or a dirty, clogged filter can lead to inadequate lubrication, increased friction, and overheating. I remember last year when my car was running extremely hot—checking the oil level revealed it was critically low. After replacing it with fresh oil, the temperature dropped immediately. For DIY maintenance, it's simple: check the oil level with the dipstick when the engine is cold, and change the oil regularly, preferably with high-quality synthetic oil—don't wait until it turns black. A failing oil pump can make things worse, requiring professional repair. Paying attention to oil quality can extend engine life and reduce the risk of overheating.

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