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Will a bad radiator cap cause excessive pressure that will cause the coolant to boil off instead of circulating through the engine?
Geraldhawkins
No. Excessive pressure will not cause the water to boil off quickley. It will cause the radiaor hose or other components to burst causing loss of coolant. A bad radiator cap can cause high or low pressure; low pressure will cause the coolant to boil at a lower temperature.
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∙ 14y ago
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