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Eatin autoshift very hot

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Helowrenchturn2, Mar 23, 2015.

  1. Mar 23, 2015 #1
    Helowrenchturn2

    Helowrenchturn2 Medium Load Member

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    Apr 23, 2013
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    Been having a bad knock (for lack of a better word). Was thinking engine mounts. Crawled under just now to check things out and found the transmission very very hot to the touch. I'm thinking bearings going bad. What say you?
     
    Helowrenchturn2, Mar 23, 2015
    Helowrenchturn2, Mar 23, 2015
    #1
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  3. Mar 23, 2015 #2
    Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    How is the oil level?
     
    Heavyd, Mar 23, 2015
    Heavyd, Mar 23, 2015
    #2
  4. Mar 23, 2015 #3
    Helowrenchturn2

    Helowrenchturn2 Medium Load Member

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    Apr 23, 2013
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    To the top of the fill hole
     
    Helowrenchturn2, Mar 23, 2015
    Helowrenchturn2, Mar 23, 2015
    #3
  5. Mar 23, 2015 #4
    d60-14

    d60-14 Light Load Member

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    May 23, 2012
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    Measure the temperature of transmission oil after a long run, it should be no more than 200-220 F. Make sure you using the right oil for this box. It is a synthetic SAE 50 Long Life. If you running at 250 F all the time, you will destroy all the parts inside.
     
    d60-14, Mar 23, 2015
    d60-14, Mar 23, 2015
    #4
  7. Mar 23, 2015 #5
    pupeperson

    pupeperson Light Load Member

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    Jun 9, 2013
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    Just because you think it's hot to the touch doesn't mean much. You can't hold your hand on something that's 140 degrees. If you throw a cup of water on it, and it doesn't sizzle (like touching your finger to your tongue and then touching the surface of an iron to see if it's hot) then it's not too hot. It should have a temperature gauge in the truck, but normal operating temps are probably 180 to 205 and up into the 220 or 230 range if you're working it hard.
     
    pupeperson, Mar 23, 2015
    pupeperson, Mar 23, 2015
    #5
    Heavyd Thanks this.
  8. Mar 23, 2015 #6
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Jul 16, 2012
    Bentonville Arkansas
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    My transmission temp never goes above 200 it stays around 150-180 unless im having to shift alot
     
    TruckerPete1990, Mar 23, 2015
    TruckerPete1990, Mar 23, 2015
    #6
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