running hot

1994 FORD EXPLORER
173,000 MILES • 6 CYL • 4WD • AUTOMATIC
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KARENL
  • MEMBER
  • 2 POSTS
what causes water to blow out through the radiator
Mar 10, 2011 at 9:00 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
bad radiator cap/not on properly, or too much cooling system pressure.
Mar 10, 2011 at 9:43 PM
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KARENL
  • MEMBER
  • 2 POSTS
the water is blowing out of radiator while idling with the cap off
Mar 10, 2011 at 10:08 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
well you aint suppose to run it with cap off.
Mar 11, 2011 at 12:34 AM
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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.
Mar 11, 2011 at 10:31 AM
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