radiator cap

Asked by Jan 27, 2018 at 07:14 PM about the 2014 Chevrolet Captiva Sport

Question type: Maintenance & Repair

will the radiator cap make my heat up if it doesn't
work

1 Answer

138,005

If your radiator cap fails to hold any pressure your boiling point will be that of water 212 degrees. So yes it can cause an overheat but usually in low speed operation. Radiator cap is cheap from aftermarket so just replace it and see if that cures your problem. you could have a bad thermostat, a hose collapsing during operation, restricted flow of coolant or even air flow through the radiator itself.

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