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- Anonymous8 years agoFavorite Answer
para evitar el desgastes y que haya un mejor delizaje entre ella... basicamente es para lubricar... y aclaro dentro de los motores solo hay aceite
Source(s): experiencia - 8 years ago
hola, en ambos casos es para disminuir la friccion y eventualmente el desgaste de los metales.
al estar circulando el aceite en el motor, disminuye la temperatura del aceite y este a su vez de las partes metalicas
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