When your diesel engine overheats, it is more than an inconvenience; it’s an indicator of potential damage. We discuss the most prevalent causes of diesel engine overheating below, along with how to prevent them. When you need diesel engine repair for your semi or medium-duty truck in Corinth, Kentucky, or the surrounding areas, contact Cross Diesel Repair to get it back on the road.
Over time, debris, dirt, and other pollutants can build up inside the radiator, obstructing coolant flow and hindering the cooling process. When the radiator becomes clogged, heat exchange efficiency decreases, leading to higher engine temperatures. Regular maintenance, such as draining the radiator and inspecting for obstructions, can help avoid this problem. The radiator can also be kept clean by keeping proper coolant levels and using high-quality coolants.
To maintain proper operating temperatures, the thermostat regulates the flow of coolant through the engine, opening, and closing as needed. When the thermostat malfunctions, it may become jammed closed, preventing coolant from circulating correctly and resulting in overheating. It may also become jammed open, causing the engine to operate hotter than necessary, resulting in low fuel efficiency. Regularly inspecting and replacing the thermostat can help prevent this problem.
The engine coolant regulates engine temperature and prevents overheating. However, leaks can occur due to faulty hoses, gaskets, or radiator components, allowing coolant to escape and reducing system performance. When coolant levels fall, the engine no longer receives adequate cooling, leading to higher temperatures and possibly overheating. Engine damage can be avoided by frequently looking for signs of coolant leaks, such as puddles under the vehicle or low coolant levels in the reservoir.
Radiator hoses carry coolant from the radiator to the engine. Radiator hoses can deteriorate, split, or leak after being exposed to heat, pressure, and pollutants for an extended period. When a radiator hose is damaged, coolant can leak out, resulting in low coolant levels and impaired cooling system performance. As a result, the engine may overheat, damaging crucial components. Examine the radiator hoses for signs of wear, such as cracks, bulges, and soft areas.
If your diesel semi, box truck, delivery vehicle, or other heavy-duty rig is not performing as it should or has suffered a breakdown, contact Cross Diesel Repair at
(502) 427-0507. Our local diesel mechanics service all makes and models of trucks using state-of-the-art diesel diagnostic equipment and modern repair technology. Rest assured, we’ll identify the problem you’re facing and quickly get you back on the road in a safe and reliable truck. Whether we need to fix truck oil leaks or complete a diesel engine rebuild, the certified techs at our full-service diesel engine shop in Corinth do it all.
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