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Overheating?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by JeremyK5, Oct 2, 2001.

  1. JeremyK5

    JeremyK5 1/2 ton status Premium Member

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    I recently put in a transmission temp gauge, and I think I put it on the line flowing into the radiator. At sustained highway speeds I am getting a consistent 230*. I have the th350, is this normal?
     
  2. hammer

    hammer 1/2 ton status

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    I would imagine so cuz it is cooled to 180 degrees or what ever your thermostat is in your truck is
     
  3. Itali83

    Itali83 1/2 ton status

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    That seems a little high but I know nothing. I have a 700r4 in my truck, I definitly put it in the line coming FROM the tranny and I get a constant 130-140 temps if I'm going, but It'll get to 180 in stop and go traffic and if I hit hills on highway and the converter comes out of lockup, it will skyrocket from 135ish to 180-190 in a second, but cool right off after it locks back up. I also have a 22,000 GVW external cooler ontop of the factory tranny cooler. Just giving you another tranny temp but I know it is from another type tranny.
    Ben 87 Jimmy
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