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Running hot

Tiny
KARENL
  • MEMBER
  • 1994 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 173,000 MILES
What causes water to blow out through the radiator
Friday, March 11th, 2011 AT 5:00 AM

4 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Bad radiator cap/not on properly, or too much cooling system pressure.
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Friday, March 11th, 2011 AT 5:43 AM
Tiny
KARENL
  • MEMBER
  • 2 POSTS
The water is blowing out of radiator while idling with the cap off
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Friday, March 11th, 2011 AT 6:08 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Well you aint suppose to run it with cap off.
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Friday, March 11th, 2011 AT 8:34 AM
Tiny
EJS
  • MEMBER
  • 2 POSTS
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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Friday, March 11th, 2011 AT 6:31 PM

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