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Thread: How much tranny fluid is in the radiator

  1. #1
    Join Date
    Sep 2008
    Location
    Dallas texas
    Posts
    90

    Default How much tranny fluid is in the radiator

    When I change out the radiator on my 89 535I this weekend. What about transmission fluid. After installing the new radiator, how much does the radiator usually hold? Or does it all drain back to the transmission once it cools?
    89 535I
    89 volvo 240
    78 Pontiac Trans Am, 6.6

  2. #2
    Join Date
    Feb 2004
    Posts
    4,894

    Default

    Tiny amount...

  3. #3
    Join Date
    Jan 2004
    Location
    Lexington, Kentucky
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    2,561

    Default

    Quote Originally Posted by Tiger View Post
    Tiny amount...
    I would think a couple of quarts counting the lines. Just a guess.
    Thanks,

    1995 525i Auto, M50TU 2.5L, EAT chip, 1/95 build, USA, 205/65/15 tires, ASC+T, HID, lumbar, EC Mirror, BMW Alpine 5 radio with BMW-Pioneer CD Changer, abt 236k miles, Oxford Green/Parchment

  4. #4
    Join Date
    Feb 2004
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    4,894

    Default

    I have taken quite a few radiators off... most of them only held like 1/4 of a quart or less. Just pop the line off and you will know.

  5. #5
    Join Date
    Sep 2008
    Location
    Dallas texas
    Posts
    90

    Default

    You guys were right,not much fluid in the radiator. One thing i learned is, keep the hoses upright. Otherwise, she'll keep leaking. So, not only did she get a new radiator, she got a new set of hoses as well. Now it's time to change the tranny fluid. The hoses were caked with sludge, along with black fluid from the radiator. Thanks again!
    89 535I
    89 volvo 240
    78 Pontiac Trans Am, 6.6

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