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Thread: coolant leak again. please help!!!

  1. #1
    Join Date
    Aug 2004
    Location
    Argentina
    Posts
    63

    Default coolant leak again. please help!!!

    hey guys, my bmw 520 1989 is leaking coolant again. I changed hoses, water pump, thermostat, engine fun, repaired the radiator, and also i had to change the head gasket. And it keeps on loosing coolant, and the worser is that i cant find where its leaking. And every two or three days i have to poor some coolant to fill in the radiator. (cars temperature is ok, almost in the middle)
    The pressure of hoses are very high, i dont know if they should be.
    I'm very puzzled with this problem and i'm sick and tired of going every single week to the mecanic since the problem started that was like eight months ago.
    For me this problem is realy a thread
    i will preciate your opinion
    Thank you very much
    Pablo
    Last edited by PABLO; 08-31-2004 at 12:44 PM.

  2. #2
    Join Date
    Jan 2004
    Location
    So.Calif ( L.A. Beach Area)
    Posts
    499

    Default

    I had the same probelm, with my new radiator too. It was the plastic nipple for the return line ( next to upper hose). I took it back and they gave me a new BEAHR and it has a brass tube in the middle of the plastic nipple....no more problems!

  3. #3
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
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    14,843

    Default

    perhaps your engine is bleeding the excess air into the reservoir and you will have to stop adding soon. No drips, puddles or smoke you may not be leaking. Also check that the oil level isnt higher or milky looking.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  4. #4
    Join Date
    Aug 2004
    Location
    Dubai
    Posts
    834

    Default

    I think that your engine block is cracked .. u need to check the oil in the engine if it's mixed with water or coloure in brown like chocolate. if not .. then the head gasket is not installed properly and it's blocking the water flow as well. I'm sorry to tell that the 520i and 525i engine is pain in the A** I had this 525i and I didn't know how to get it lost untill I got the 535i which is great !!

  5. #5
    Join Date
    Aug 2004
    Location
    Argentina
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    Default

    im adding coolant since two weeks ago. I hate to be pessimistic but i think it wont stop.
    (With excess air you mean air trapped in the circuit?)
    the oil level is right and it isnt milky.
    smoke comes out in the moorning with engine cold, the it gets normal.
    Thank you very much for your answer
    pablo

  6. #6
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,843

    Default How much have you been adding?

    Quote Originally Posted by PABLO
    im adding coolant since two weeks ago. I hate to be pessimistic but i think it wont stop.
    (With excess air you mean air trapped in the circuit?)
    the oil level is right and it isnt milky.
    smoke comes out in the moorning with engine cold, the it gets normal.
    Thank you very much for your answer
    pablo
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  7. #7
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    Aug 2004
    Location
    Argentina
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    Default

    between half and 75% of a liter after the last bleeding of the engine (two weeks ago)

  8. #8
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
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    Default thats nothing to worry about

    sounds normal, now if you have to add that much for a month or so id think about it but just let it slide right now.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  9. #9
    Join Date
    Aug 2004
    Location
    Argentina
    Posts
    63

    Default

    OK thank you

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