RUNNING HOT

1994 Ford Explorer

Tiny

karenL

March, 11, 2011 AT 5:00 AM

What causes water to blow out through the radiator

FOUND 1533 RELATED QUESTIONS

Running Hot

15 ANSWERS
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4 Answers

Tiny

fixitmr

March, 11, 2011 AT 5:43 AM

Bad radiator cap/not on properly, or too much cooling system pressure.

Tiny

karenL

March, 11, 2011 AT 6:08 AM

The water is blowing out of radiator while idling with the cap off

Tiny

fixitmr

March, 11, 2011 AT 8:34 AM

Well you aint suppose to run it with cap off.

Tiny

ejs

March, 11, 2011 AT 6:31 PM

That is normal. The reason is that when the engine cold the water does not circulate, after the engine begins to heat up the thermostat opens and closes, the water begins to circulate causing pressure in the radiator. You may have overfilled the radiator if so put the cap back on it and it will correct its self.

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