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Antifreeze leak

Tiny
MMAN1994
  • MEMBER
  • 1999 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 198 MILES
I have a 1999 taurus se 3.0 L engine and for some reason when the car runs and then gets shut off, the antifreeze starts bubbling in the resovior and overflowing out of the cap. We replaced the thermostat thinking that was the problom, and flushed out the lines, very throughly, and it is still bubbling out when it gets turned off. But then if you wait a minute and turn the car back on, it sucks the antifreeze back into the system, and then once turned off after that, it is fine. The resovior is not overfilled, and infact underfilled sometimes

Please help

Michael
michaelnorman1994@yahoo. Com
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Friday, June 24th, 2011 AT 6:46 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Pressure test the system and also the radiator cap-
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Friday, August 21st, 2020 AT 1:37 PM
Tiny
BOPPLES70
  • MEMBER
  • 16 POSTS
My 03' just went through the exact same thing!
Replace the resevior cap, about $5 auto parts store has them in stock usually. Your cap may be somewhat stripped like mine was. If that doesn't work, you may have another issue. The cap worked for me, though.
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Friday, August 21st, 2020 AT 1:37 PM

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