Your tractor’s cooling system is dependent on many components, all of which must be functioning properly to keep engine temperatures in a safe range. Like a chain, any weak link can cause failure in the system. To make sure your cooling system keeps working like it should, especially during the hot days of summer, check the condition of components that keep overheating problems under control.
Finding weak links in a tractor cooling system
1) Water Pump – The water pump keeps coolant moving throughout the system. When the pumping action becomes compromised, heat builds up in the engine. Pressure and corrosion can degrade seals in the water pump over time, leading to leaks that lose the all-essential coolant. With less coolant flowing through the system, heat naturally builds up. Fluid residue on the water pump or spotting of fluid on the ground are signs of a failing water pump.
2) Radiator – Radiators are also important in maintaining optimal heat levels in the engine compartment. Radiators are where the coolant flowing from the water pump goes to release heat. The best way to prolong the life of a radiator is to periodically drain, flush and refill it with fresh coolant. Radiators will eventually fall victim to the effects of rust and corrosion, resulting in leaks. When leaking occurs, heat will build up in the system and it’s time to replace the radiator.
3) Radiator Hoses and Clamps – Radiator hoses serve as the bridge for the efficient flow of coolant throughout the engine compartment, but they are subject to deterioration like everything else. Common problems include corrosion on clamps and cracks in hoses. Hoses and clamps can become the source of coolant leaks, resulting in the loss of vital fluids.
4) Radiator Fan Blade – The radiator fan blade is essential in circulating air to disperse heat from the radiator. If the blade becomes dented or rusted, it may not do its job adequately, allowing heat to build up within the radiator. Replacing compromised radiator fan blades is highly recommended.
5) Fan Belt – Keeping the fan blade in motion, the fan belt is an essential component within the cooling system. Fan belts are a component that you can expect to replace periodically. Look for signs of cracks, separating or glazing. A belt that slips or breaks altogether will result in rapid overheating. You should replace fan belts at the first sign of wear or defects.
6) Thermostat – The thermostat is a control valve that manages the flow of coolant. Thermostats open and close to control how much coolant is circulating through the system. If coolant can’t freely flow between the radiator and engine, overheating will likely result.
7) Gasket – Gaskets serve as seals to keep fluids and solvents in place. But when gaskets become brittle and cracked with normal aging, fluids can escape, leaving the system deprived of what it needs for optimal performance. Compromised gaskets are a common culprit for overheating problems.
Prevent tractor engine overheating
Many engine overheating problems can be avoided by routine inspections and maintenance. The great thing about routine inspections and maintenance is that you can do them on your schedule. That’s why it’s wise to put these tasks on a reminder list while you’re thinking about them. It sure beats a breakdown in the field at the worst of times.
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