Transmission fluid for 1970 Eldorado?
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Transmission fluid for 1970 Eldorado? in Past Cadillac Vehicle Discussion; What modern transmission fluid should I use for this car? Besides universal synthetics like Mobil 1 ATF....
  1. #1
    sgc2c is offline Cadillac Owners Member
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    Transmission fluid for 1970 Eldorado?

    What modern transmission fluid should I use for this car? Besides universal synthetics like Mobil 1 ATF.

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    Submariner409's Avatar
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    Re: Transmission fluid for 1970 Eldorado?

    DEXRON-VI is the new GM universal fluid as of 2006. It superseded the now-obsolete DEXRON-III.

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    Ranger's Avatar
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    Re: Transmission fluid for 1970 Eldorado?

    Quote Originally Posted by Submariner409 View Post
    DEXRON-VI is the new GM universal fluid as of 2006. It superseded the now-obsolete DEXRON-III.
    Which if I'm not mistaken was the recommended trans fluid back in 1970 as well.

  5. #4
    sgc2c is offline Cadillac Owners Member
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    There's a Peak brand which says on the bottle "For Dexron III/Mercon applications" but says
    nothing about Dexron VI.
    Still it sounds like what you're suggesting I need
    for this car.

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    Submariner409's Avatar
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    Re: Transmission fluid for 1970 Eldorado?

    You can still find the - superseded - DEXRON-III on store shelves, so if you don't care to go with the recommended (GM) latest and greatest, use the old stuff.

    GM has a TSB on this.

  7. #6
    sgc2c is offline Cadillac Owners Member
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    The manual for the '70 Eldorado states the fluid
    capacity at only 5 quarts. Does that sound a bit
    low? I wonder if it's a misprint.

  8. #7
    Ranger's Avatar
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    Re: Transmission fluid for 1970 Eldorado?

    Put 5 qts in it and check the dipstick.

  9. #8
    Z71's Avatar
    Z71
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    Re: Transmission fluid for 1970 Eldorado?

    Does not have to be Dexron VI, any fluid meeting Dexron spec III will do.




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