Tuesday, 17 February 2015

Antifreeze

Antifreeze Points :Definition, Antifreeze coolant, Prevent rust and corrosion, ic engine Overheating Problems, problems in internal combustion engines Antifreeze, usually ethylene glycol is mixed with water to produce the engine coolant. Antifreeze has several functions. Prevent winter freeze up

Antifreeze keeps the coolant from freezing in very cold weather (outside temperature below 32°F 0°C).

Coolant freezing can cause serious cooling system or engine damage. As ice forms, it expands. This expansion can produce tons of force. The water pump housing, cylinder head, engine block, radiator, or other parts could be cracked and ruined.
Prevent rust and corrosion Antifreeze also prevents rust and corrosion inside the cooling system. It provides a protective film on par surfaces. Lubricates water pump.

Antifreeze acts as a lubricant for the water pump. Ii increases the service life of the water pump bearings and seals. Cools the engine

Antifreeze conducts heat better than plain water and, therefore, cools the engine better. It is normally recommended in hot weather. For example, air conditioning increases the temperature of the air flowing through the radiator. Antifreeze can help prevent overheating in very hot weather when the air conditioning is on. Antifreeze/water mixture.

For ideal cooling and winter protection from freeze up, a 50/50 mixture of water and antifreeze is usually recommended. It will provide protection from ice formation to about —34°F (-36.7°C). higher ratios of antifreeze may produce even lower freezing temperatures but this much protection is not normally needed.
Note Plain water should never be used in cooling system or low antifreeze functions just discussed will not be provided.

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