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1 hot hub

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 86scotty, Mar 19, 2020.

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  1. Mar 19, 2020 #1
    86scotty

    86scotty Road Train Member

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    Just got my dry van back. New shoes and drums. I had one bearing that was fixed incorrectly by a different shop awhile back and was full of gray metal soup, so they replaced that one. Inner outer bearings, races, seals, everything. This is an oil hub, 2015 Great Dane van with Meritor axles.

    So, I just left the shop (empty) and ran 50 miles to a load and it's hot. Too hot to hold for more than a few seconds. IR temp gun shows 115. Ambient temp is about 70. All other wheels barely warm as usual, around 90.

    Is this normal as a new bearing seats? Shop said no damage was done to spindle with former bad bearing.

    Thanks
     
    86scotty, Mar 19, 2020
    86scotty, Mar 19, 2020
    #1
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  3. Mar 19, 2020 #2
    Bakerman

    Bakerman Road Train Member

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    Sounds like they might’ve tighten the lock ring and nut too tight
     
    Bakerman, Mar 19, 2020
    Bakerman, Mar 19, 2020
    #2
    Shawn2130, 86scotty and tommymonza Thank this.
  4. Mar 19, 2020 #3
    AModelCat

    AModelCat Road Train Member

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    Most likely too much pre-load.
     
    AModelCat, Mar 19, 2020
    AModelCat, Mar 19, 2020
    #3
    Shawn2130, Super_Trucker and 86scotty Thank this.
  5. Mar 19, 2020 #4
    Rideandrepair

    Rideandrepair Road Train Member

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    Might be too tight. I had the same thing happen. Took it loose myself, loosened it one flat on nut. It still ran warmer for about 4 days. Now it’s fine. Best get it checked out. I’ve heard they run hot when new. I don’t know about that. A little warm maybe, but not hot. I had a seal go bad in the front last summer. Good thing, as bearing was scored from over tightening. Replaced it all myself. Still need to do right side. It seems fine, but might as well. Next time in 4 it 5 yrs, I’ll buy a whole hub kit. Races already installed. And switch to a one nut system. If it’s not right, it won’t last. Too many different style procedures out there. Some put them too tight Causes more problems than if a little loose. Checking end play with micrometer is the only way to know for sure. Nobody does it.
     
    Rideandrepair, Mar 19, 2020
    Rideandrepair, Mar 19, 2020
    #4
    blairandgretchen and 86scotty Thank this.
  7. Mar 19, 2020 #5
    86scotty

    86scotty Road Train Member

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    It seems to be breaking in. I picked up about a 15K load and ran about 60 miles to fuel and it was 10 or 15° cooler as soon as I stopped. I’ll keep checking it every few hours but I’m on a cross-country run now.
     
    86scotty, Mar 19, 2020
    86scotty, Mar 19, 2020
    #5
    Rideandrepair and blairandgretchen Thank this.
  8. Mar 19, 2020 #6
    Rideandrepair

    Rideandrepair Road Train Member

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    You can stick finger in there, feel at the bottom for metal grinding, look at it good. Sometimes new fluid looks like it has silver fine grinding, but is only small air bubbles.
     
    Rideandrepair, Mar 19, 2020
    Rideandrepair, Mar 19, 2020
    #6
  9. Mar 20, 2020 #7
    86scotty

    86scotty Road Train Member

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    Hub is back to normal. Barely warm today just like the others.

    Now I know!
     
    86scotty, Mar 20, 2020
    86scotty, Mar 20, 2020
    #7
    Rideandrepair Thanks this.
  10. Mar 20, 2020 #8
    LDLWells

    LDLWells Heavy Load Member

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    Since this is resolved can we name that hub Zazie Beetz since it's hot?
     
    LDLWells, Mar 20, 2020
    LDLWells, Mar 20, 2020
    #8
    Rideandrepair Thanks this.
  11. Mar 20, 2020 #9
    Wasted Thyme

    Wasted Thyme Road Train Member

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    since it's solved. I have to say a funny when I first saw the thread. I thought it was a typo for 1 Hot Tub. Like the OP was trying how to take a hot tub with him OTR. lol
     
    Wasted Thyme, Mar 20, 2020
    Wasted Thyme, Mar 20, 2020
    #9
    650cat425 and Rideandrepair Thank this.
  12. Mar 20, 2020 #10
    Rideandrepair

    Rideandrepair Road Train Member

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    I too was expecting to see a hot tub installed in a Truck. Still trying to figure a way to do it on mine.Lol
     
    Rideandrepair, Mar 20, 2020
    Rideandrepair, Mar 20, 2020
    #10
    Wasted Thyme and 650cat425 Thank this.
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