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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 ∙

Lvl 1

∙ 16y ago

Updated: 9/16/2023

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.

Wiki User

∙ 16y ago

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