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Wheel bearings too tight?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by alebrenn, Mar 16, 2018.

  1. Mar 16, 2018 #1
    alebrenn

    alebrenn Bobtail Member

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    This afternoon I replaced one of the drive axle seals on one of our T660s. This particular truck has the Stemco Pro-Torq spacer and Nut. In the past, we've set the bearings just by feel. This time I decided to use the sequence from the Stemco instructions. After doing the sequence, the hub seemed awfully tight. When I would spin the hub, it would stop immediately. Wondering if this snugness is actually ok? Maybe we've been setting the hubs way too loose in the past? Any advice would be appreciated...

    Alex
     
    alebrenn, Mar 16, 2018
    alebrenn, Mar 16, 2018
    #1
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  3. Mar 16, 2018 #2
    BoxCarKidd

    BoxCarKidd Road Train Member

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    Can you post the Stemco instructions?
     
    BoxCarKidd, Mar 16, 2018
    BoxCarKidd, Mar 16, 2018
    #2
  4. Mar 16, 2018 #3
    MACK E-6

    MACK E-6 Moderator Staff Member

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    Should come with a torque spec, I would think...
     
    MACK E-6, Mar 16, 2018
    MACK E-6, Mar 16, 2018
    #3
  5. Mar 17, 2018 #4
    Goodysnap

    Goodysnap Road Train Member

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    LMS hub? Torque to spec and go..... They will feel tighter than adjusting old school with no spacer. I see so many LMS hubs come in backed off it's not funny. If it was run loose the spacer and bearings wear and will be tighter no doubt. Was the nut torqued tight when you removed it?
     
    Last edited: Mar 17, 2018
    Goodysnap, Mar 17, 2018
    Goodysnap, Mar 17, 2018
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    SAR Thanks this.
  7. Mar 17, 2018 #5
    Heavyd

    Heavyd Road Train Member

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    Heavyd, Mar 17, 2018
    Heavyd, Mar 17, 2018
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    SAR, wore out and BoxCarKidd Thank this.
  8. Mar 17, 2018 #6
    SAR

    SAR Road Train Member

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    SAR, Mar 17, 2018
    SAR, Mar 17, 2018
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    Heavyd and spsauerland Thank this.
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