Advertisement A Radiator Cap Serves Many Purposes 1. A radiator cap keeps the cooling system pressure which raises the boiling point. For every pound of pressure in a closed cooling system, you raise the boiling point by three degrees. At …
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Advertisement Condition: Hard Brake Pedal Brake boosters, also called vacuum brake boosters, help improve braking performance and safety. The brake booster uses an engine vacuum to give the brake pedal added force. This counteracts the high pressure found in the …