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tranny fluid and filter change, how often?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by muddysub, Oct 23, 2002.

  1. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    ok how often should i change the tranny fliud and filter? my th400 has about 35,000 mi on it now and i was just wondering.
     
  2. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    Re: trtanny fluid and filter change, how often?

    Once a year does me good.
     
  3. Can Can

    Can Can Pusher Man Staff Member Super Moderator

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    I agree with Boudreaux. It's cheap and easy to do.....
     
  4. xnoahx

    xnoahx 1/2 ton status

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    As far as milage goes, I think its some absurdly high number like 40,000 miles, But I say if you cant rember the last time you changed it, do it anyhow, doesnt hurt and spilling a pan of <font color="red">hot</font color> trans fluid on yourself builds character /forums/images/graemlins/grin.gif
     
  5. imiceman44

    imiceman44 1 ton status

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    And while you're at it, install a drain plug, makes it easier for the next time. /forums/images/graemlins/thumb.gif
     
  6. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    If it was cheap and easy, my ex-wife would be here. /forums/images/graemlins/rotfl.gif /forums/images/graemlins/rotfl.gif /forums/images/graemlins/rotfl.gif
    $15 for a filter and I run synthetic so I think I spend about $40 for a change plus no drain plug and that can get dicey. BTW, I've got a 700 so I've got to baby it. /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif
     
  7. Flexy K20

    Flexy K20 1/2 ton status

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    I would change it soon, I just changed mine and it's cheap enough were it's worth it to do it every once in a while. Also the whole tranny assembly holds about 12 quarts I believe, and when you change it you only change about 5-6 quarts. So if you really want to do a good job change it then change it again a week or two later. That way you will ensure you change most of it. Later
     

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