Antifreeze, also known as coolant, performs several crucial functions in the cooling system. It:
1. Prevents Freezing: Antifreeze contains substances like ethylene glycol or propylene glycol that lower the freezing point of water. This prevents the coolant from freezing in cold weather, which can damage the engine block and other components.
2. Prevents Boiling: Antifreeze also increases the boiling point of water. This is critical to avoid overheating, especially when an engine is under heavy load.
3. Lubricates: Antifreeze contains additives that help lubricate the water pump, gaskets, and other components of the cooling system.
4. Prevents Corrosion: Antifreeze contains corrosion inhibitors to protect the metal parts of the cooling system from rust and corrosion.
Over time, antifreeze can degrade and lose its effectiveness. Old antifreeze may have depleted corrosion inhibitors, affecting its ability to protect the cooling system components from corrosion. It may also contain higher concentrations of contaminants that can contribute to clogging or deposit buildup within the cooling passages, reducing their efficiency in dissipating heat.
Consequently, an old antifreeze solution may not effectively transfer heat away from the engine, leading to potential overheating issues under load conditions when the tractor is working hard and generating a lot of heat.
Therefore, it's recommended to replace the antifreeze in your Ford Tractor according to the manufacturer's specified intervals or recommendations. Regularly maintaining the cooling system by flushing, refilling with fresh antifreeze, and cleaning any blockages or deposits can help prevent overheating and extend the life of your tractor's engine.