What are the reasons for Komatsu overheating?

[DeReed]

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.

[DelNathan]

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.

[DiReese]

As someone who frequently works on car repairs, I've seen numerous cases of engine overheating. Coolant leaks are the most common issue, caused by cracked radiator hoses or loose connections; fan motor failures where the relay doesn't work, rendering the fan completely ineffective; water pump impeller wear or loose belts preventing proper water circulation; thermostat malfunctions failing to regulate temperature, leading to engine overheating; and radiator rust or blockages hindering heat dissipation. Additionally, internal engine problems like blown cylinder head gaskets can also cause overheating, though less frequently. When dealing with such issues, it's advisable to first check the coolant level and color—if abnormalities are found, seek immediate repairs to avoid minor signals escalating into major repair costs. These experiences have taught me that regular maintenance can save a lot of trouble.

[VanMax]

I have a family car that I've been driving for several years, and in the summer, it often overheats to the point where the high-temperature warning light comes on. There could be many reasons for this, such as insufficient coolant that wasn't topped up in time, or a faulty thermostat that doesn't open; it could also be a malfunctioning fan system that doesn't spin; or the radiator might be clogged with dust, affecting heat dissipation. For prevention, I've developed a habit of checking the coolant reservoir every month to ensure it's at the right level and clear, not cloudy; when washing the car, I also wipe the radiator to prevent blockages; before long trips, I change the engine oil to ensure proper lubrication and cooling. If overheating occurs, I immediately slow down and pull over—safety first. Simple maintenance can avoid headaches like overheating and breakdowns, protecting the engine and extending the car's lifespan.