A majority of Antifreeze Engine Coolants available in the market presently are glycol, ethylene base substance. They also contain additives that prevent corrosion, water pumps, and lubricate seals. Moreover, they help to transfer the heat from the engine’s metal to the coolant. Antifreeze must be mixed up with distilled water in a 50-50 ratio. The tap water is not used in it, as the tap water contains a huge amount of substances like iron and calcium, which can coat and precipitate internal parts. This result is the protection of freezing to -34 degree, and boiling to +265 degree. Never make use of pure Antifreeze Engine Coolant in a system without the use of at least thirty percent of water in the mixture.
Majority of Antifreeze Engine Coolants sold since last few years are the conventional green color coolant. This kind of coolant is good for 2 or 3 years. This type of green Antifreeze Engine Coolant contains phosphate, silicate, and borates to keep the mixture alkaline. The system is protected, and the corrosion is controlled because of the antifreeze coolant solution being alkalized. With the passage of time, the corrosion inhibitor is depleted, and protection from the corrosion is lost. This is the reason for the suggestion that the green Antifreeze Engine Coolant must be changed after every two to three years. Aluminum is a metal, which is especially defenseless to the assault of corrosion, and numerous vehicles have radiators, heads, and other components made up of aluminum in cooling system. The damage of corrosion is prevented, if the Antifreeze Engine Coolant in the cooling system is replaced before the corrosion inhibitor reaches its destination.
A substitute to the conventional, green coolant is a product presently used by numerous producers of engine. ‘Orange’ antifreeze is an extended life or long life kind of coolant use to raise the usefulness of the coolant of engine. Like green antifreeze, it is also an ethylene glycol type. The basic difference between these two colors is that the orange coolant has a different kind of corrosion inhibitor. The corrosion inhibitor of orange antifreeze has a longer life than phosphate, silicate, or borates. It has organic acids, which protects the parts of the engine from corrosion.
The green antifreeze cannot mix up with orange antifreeze. So, never mix these two colors. Orange Antifreeze Engine Coolant is good for around five years. The orange type of antifreeze can be used in numerous old vehicles also, if the green coolant is flushed completely from the cooling system. The green mixture is then replaced with the orange mixture. In old vehicles, the life of orange mixture is about four years.
Toyota makes use of a red coolant in a number of its vehicles. This red antifreeze engine coolant is different from those of orange in color. This is specifically the green antifreeze, which contains dye of red color.
If you have any doubts relating to the switch pertaining antifreeze engine coolant, you can ask from your product dealer about the compatibility with the cooling system of the Orange Antifreeze Engine Coolant.