What are the reasons for Komatsu overheating?

2 Answers
DeReed
07/28/25 9:09pm
The reasons for Komatsu overheating are as follows: Poor engine performance: Main reasons include delayed ignition timing, overly lean air-fuel mixture, excessive carbon buildup in the combustion chamber, and engine knocking. Insufficient lubricating oil: This prevents moving parts from receiving adequate lubrication, increasing frictional resistance, accelerating wear, and generating more heat. Simultaneously, it causes the lubricating oil temperature to rise, reducing its viscosity, which further exacerbates friction, heat generation, and poor heat dissipation, leading to engine overheating. Radiator cooling failure: Main reasons include blockage by debris between cooling fins, deformation of radiator fins, internal clogging of the radiator, and failure of the shutters to fully open.
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DelNathan
08/12/25 1:50am
I used to frequently encounter engine overheating issues while driving, mostly due to problems with the cooling system. Insufficient or leaked coolant can lead to poor heat dissipation; a non-functioning fan or a broken water pump can also cause the temperature to spike. Additionally, a thermostat stuck in the closed position blocks heat flow within the engine; a clogged radiator, especially after several years of use, can be obstructed by dirt or bugs blocking the cooling fins; even old engine oil that fails to lubricate and cool properly can make the engine run hotter. Preventive measures are crucial: change the coolant during every maintenance service, keep the radiator clean, avoid aggressive driving, and take breaks during long trips to let the engine cool down. I remember once seeing smoke on the road, but luckily I stopped in time to add water and avoided disaster. Everyone should perform regular checks to avoid breaking down halfway.
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