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trans cooler line thread size

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by jbissette, Oct 16, 2001.

  1. jbissette

    jbissette 1/2 ton status

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    Idaho Falls, Idaho
    I was just wondering if anybody knows what size the threads are that go into the side of the transmission for the cooler lines. I have a 700r4 but I would think it is a standard size. Once I find out what size they are I am going to make some fill and flush hoses so that I can flush the entire system instead of just what is in the pan.
     
  2. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    Richmond, VA
    I know the ones on my 400 are {1/2" 20} thread. They are prob. the same for you 700R-4

    John

    <font color=blue>"When all else fails, read the instructions, or get a bigger hammer"</font color=blue>
     

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