The lubrication system lubricates engine components by putting an oil film between them to reduce friction and smooth engine operation, cools by absorbing heat from engine parts, seals the pistons and cylinders to contain combustion, cleans contaminants, and quiets engine noise.
Which of the following is not a primary function of a vehicle's lubrication system?
clean contaminants |
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cools engine parts |
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quiets engine noise |
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increases fuel economy |