Front hub caps seeping fluid

Discussion in 'Trucks [ Eighteen Wheelers ]' started by mitmaks, Jun 19, 2018.

  1. mitmaks

    mitmaks Road Train Member

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    I don't know where there's leak. I've tightened bolts, rubber cap is on tight and front hubs still seeping a bit of fluid.
     

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  3. Oldironfan

    Oldironfan Road Train Member

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    Try removing that cover. So you can see the hub. You may need new seal.
    DOT will not like the way it looks.
     
  4. mitmaks

    mitmaks Road Train Member

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    You mean gasket between cap and hub?
     
  5. mitmaks

    mitmaks Road Train Member

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    I did remove cover and tightened up bolts. Is there supposed to be gasket between plastic see through hub?
     
  6. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    If it has a clear window, just put a new hubcap on it. Use Permatex Aviation Form-a-Gasket to coat the gasket before installing.
     
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  7. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    TA carries most Stemco hubcaps pretty reasonable.
     
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  8. Oldironfan

    Oldironfan Road Train Member

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    New cap seems the best advice.
     
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  9. dumptruck89

    dumptruck89 Light Load Member

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    We found the covers caught all the oil, and water. What we did was make sure the hub wasn't leaking then put a red shop rag behind the cap, that solved that issue.
     
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  10. Slowpoke KW

    Slowpoke KW Road Train Member

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    Been there done that
     
  11. mitmaks

    mitmaks Road Train Member

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    One tip I was told is that if breather hole in the rubber cap is obstructed it will build up enough pressure in the cap to push out oil
     
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