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Flushing the trany out

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BlueOx, May 4, 2002.

  1. BlueOx

    BlueOx 1/2 ton status

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    I went through some real high water in the K5 and must of sucked up some mustard. Not really, but when I changed the rear transfer case seal it looked like mustard was pouring out. Is there a way to flush it out with out taking off the pan? I know I will have to do it at the end to change the filter, but i want to get all the fluid out of the converter too. Any ideas on how to do this.
    thanks.
     
  2. woody9

    woody9 1/2 ton status

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    everything you always wanted to know about trannys....
    Trans Info:http://forums.vmag.com/suvsuburban0900/messages/2992.html
     
  3. Thunder

    Thunder 3/4 ton status

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    You can take it to a tranny shop and have them flush the tranny. It costs around 75 bucks. This is the best and easist way.
    Or you can do it yourself by un hooking a cooling line and start up the engine and let the tranny pump out all the old fluid into a bucket. But you have to be very careful to add new fluid as the old fluid is pumped out. if you let the tranny go dry you may ruin it. When the fluid comes out fresh and clean you are done. Usually takes around 14- 16 quarts.
    Either way if you got water in the trans you got to get it out ASAP.
     
  4. pcorssmit

    pcorssmit 1/2 ton status

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    After driving it, pull out the dipstick. If there's water in the tranny, it will look like a strawberry milkshake.

    Pete
     
  5. MudbogAD

    MudbogAD 1/2 ton status

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    what kind of t-case do you got? You might not have water in your tranny, maybe just your t-case.
     
  6. BlueOx

    BlueOx 1/2 ton status

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    The t-case is a NP208.
     

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