Oil cooler lines on Eaton 10 speed.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Zethull, Jul 28, 2023.

  1. Zethull

    Zethull Bobtail Member

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    Got a new eaton 10 speed and on pass side where old one was it had in and out for cooler lines. This one only has 1 hole that says out/ Where is or where do i put the in line?
     

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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    What model# is that? Looks odd. Possibly a return up top?
     
  4. Zethull

    Zethull Bobtail Member

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    20230728_203101.jpg
     
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  5. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    I honestly don't know. Any other pipe plugs in it? Up top? Does it have the HALO?
     
  6. Goodysnap

    Goodysnap Road Train Member

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    Pretty sure the cooler line ports “In and out” are under the 5 bolt plate/cover. The cover allows oil flow thru the trans when a cooler is not installed.

    The pipe plug bottom left of out is just open to the case and is common to see trans temp sensor.
     
    Last edited: Jul 28, 2023
  7. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    That would make sense. The out is a pretty good ways from that plug. Good info.

    Yep
     
    Last edited: Jul 28, 2023
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  8. Zethull

    Zethull Bobtail Member

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    Do I even need a cooler? I'm only 35k heavy
     
  9. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Where do you run? You can get by without it. I wouldn't personally. You'll get oil temps up around 250* summertime.
     
  10. Zethull

    Zethull Bobtail Member

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    I do campers all over the states
     
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  11. Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    Better question. Do you want to risk cooking it with how hot things have been?
     
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