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Tranny Lines - which is the out (hot) and in return (cold)?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 1986Blazer, Oct 30, 2001.

  1. 1986Blazer

    1986Blazer 1/2 ton status

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    Location:
    Key West, FL - Southernmost Point
    I am about to mount my tranny temp gauge but I have no instructions for it. I just need to know if the Hot (out) line from the tranny goes into the top or bottom of the radiator.

    Thanks

    Sorry guys....I am referring to a 700R4

    <a target="_blank" href=http://www.geocities.com/keywestk5/KeyWestK5.html>http://www.geocities.com/keywestk5/KeyWestK5.html</a>
    So I says to him, I said, "get your own monkey."
    1986 K5, 350 GM Crate, 700R4, NP208<P ID="edit"><FONT class="small">Edited by 1986Blazer on 10/30/01 01:51 PM.</FONT></P>
     
  2. Itali83

    Itali83 1/2 ton status

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    I put a cooler and a temp guage in my tranny. People told me both the top was the hot line, and that the bottom was the hot line, so I had to make a mess, crack a line, crank it, and have a friend tell me which way the oil came out. On my 87 Jimmy 700r4, the line from TRANNY to Rad is the bottom one. Hope this helps.
    Ben 87 Jimmy
    <font color=blue>Rust=bad</font color=blue>
    <a target="_blank" href=http://www.bens87toy.alloffroad.com>www.bens87toy.alloffroad.com</a>
     
  3. tori89k5

    tori89k5 1/2 ton status

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    Yep, thats correct,....... top line is the return line.

    1990 K5 4" lift, 33's, 3.73's Raptor Tranny and Velvet Rides....
     

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