Meritor sealed hub. Can the bearings be replaced?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Dadetrucking305, Apr 10, 2025.

  1. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    I have a Meritor axle on a 9900i with unitized sealed hubs. One of the hubs has play and I’m wondering if just the bearings can be replaced ? The hub is $2k smh
    TIA
    @Heavyd
     
    Last edited: Apr 10, 2025
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  3. xsetra

    xsetra Road Train Member

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    I had the same problem with my 99 freightliner.
    I replaced the entire axle.
     
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  4. Rideandrepair

    Rideandrepair Road Train Member

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    What??? My 99 had the grease type steer hubs. They can be serviced.
     
  5. singlescrewshaker

    singlescrewshaker Road Train Member

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    Pretty sure you can snug it up "against recommendation"

    @Tug Toy
    What yours go, another half million? Lol
     
  6. Dadetrucking305

    Dadetrucking305 Heavy Load Member

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    Lol, Hopefully I can snug it up. Screw those unitized hubs. Every place I call says they don’t make them anymore and the ones that are still out there want to charge like if they are made of gold.
     
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  7. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    You can replace the bearings. I would remove the cone and adjust the bearings normally.

    One thing, the part #'s on the bearings in your hub may actually be unavailable, but they can be replaced with standard bearings and races, without the cone.
     
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  8. xsetra

    xsetra Road Train Member

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    Yep this was the only one of the 3 99FLD's I owned, that had the sealed hub. With 1 hub going bad. The other probably was not far behind.
    I chose to replace entire axle with new hubs, races and bearings. King pins were good. Took to alignment shop. All was good to go.

    That fix was quicker than ordering and waiting for a new sealed hub. I was told the Hub needed was not an off the shelf item. I would have to wait for a production run to get.
     
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  9. Rideandrepair

    Rideandrepair Road Train Member

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    Nice to have all that new.
     
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  10. Heavyd

    Heavyd Road Train Member

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    Those hubs are not the same as current preset style bearings with the inner cone spacer. This original generation is not serviceable and the hub needs to be replaced.
     

    Attached Files:

  11. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    I have never seen a hub of that style before. Thanks for posting. Anybody know if all the axes listed in that bulletin used that style hub?
     
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