Question about 1999 Mitsubishi Eclipse

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Car is leaking antifreeze from underneath of car

After the car is driven for about 20 miles & parked, it leaks antifreeze from under the under carriage. The leak is coming from around the front passenger side. It only leaks after the car is driven & parked & allowed to cool down. Any idea what could be causing this ? I had a head gasket repair done about 6 months ago. I replaced all the heater hoses, water pump, timing belt, antifreeze.

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  • Anonymous Nov 18, 2008

    need to know how to put in anti freeze.



    ht type of qntifreeze is used

  • Anonymous Feb 07, 2009

    i have a 96 dodge intrepid leaking antifreeze from the passenger side underneath near the overflow jug. the heat still works.

  • Anonymous Mar 12, 2014

    car started to over heat, now leaking

  • Anonymous Mar 15, 2014

    2001 saturn is leaking antifreeze and its cuming from the left side undernath the car

  • Anonymous Mar 15, 2014

    2001 saturn is leaking antifreeze from the left side underneath the car

  • Anonymous Mar 15, 2014

    2001 saturn is leaking antifreeze from the left side outside the car

  • Anonymous Mar 26, 2014

    My car is leaking antifreeze on the driver side.

  • Anonymous Mar 26, 2014

    My car is leaking antifreeze from under the car on the driver side.

  • Anonymous Apr 01, 2014

    Car is not overheating. Timing belt and water pump were replaced 15000 miles ago.

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Watch for leaks and follow them after you drive i would geuss checking your thermostate housing both parts, the hoses that go to the heater core by the throttle body and the hose that goes to the throttle body, im guessing this is the turbo, if it is a non turbo it would be a hoses the waterpump or the oring that goes into the waterpipe on the front of the block, just get in there and take a good luck and remember the rules of gravity =) good luck man and if you need any parts for it let me know we got alot of these parts cars out in our yard

Posted on Sep 11, 2008

  • erik mcdonald
    erik mcdonald Dec 10, 2008

    you get that problem figured out bud?

  • johnnie bowers May 29, 2012

    2001 blazer. no not yet i can see it slow drip under the truck but cant see anywhere

    it canbe coming from.

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  • 74 Answers

I would check and replace the thermostat if it is bad, recheck the connections of the heater hoses to the heater core, and if none of these are bad, the heater core is most likely gone bad. Also, depending on where the overflow canister is, and if the radiator cap has gone bad, it might be letting too much antifreeze out of the system and overfilling the overflow canister.

Posted on Aug 07, 2008

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those are external leaks , internal a whole other long story.

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