Once it mixes with oil its viscosity changes, and transmission wear is from metal on metal. If you have a polymer film then there is less metal on metal. Since it mixes with oil, it gets drained with it.
Once it mixes with oil its viscosity changes, and transmission wear is from metal on metal. If you have a polymer film then there is less metal on metal. Since it mixes with oil, it gets drained with it.
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