Axle seals are leaking again

Transmission and Drivetrain Tech

  1. RustyRatRod

    RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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    This kit has the original lookin Chrysler inner seals. See how they're rubber coated over the metal? I've even seen some original OEM ones that were all rubber. Just real thick rubber.
     
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    • RustyRatRod

      RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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      Negatory ghostrider, it sure doesn't.
       
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      • RustyRatRod

        RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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        ....at least it ain't supposed to. LMAO
         
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        • Car Nut

          Car Nut Mopar Master

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          Dang, i'm going to pull my axles now and recheck for outer seals.
           
        • RustyRatRod

          RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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          If you have any misgivings about them, it sure wouldn't hurt.
           
        • dadsbee

          dadsbee FABO Gold Member FABO Gold Member

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          OE inner seal... has metal OD..
          1969dartcleanupweek9.6 132.JPG

          1969dartcleanupweek14 122.JPG 1969dartcleanupweek14 126.JPG
           
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          • Car Nut

            Car Nut Mopar Master

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            I agree it's out of the car anyway.
             
          • Car Nut

            Car Nut Mopar Master

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          • dadsbee

            dadsbee FABO Gold Member FABO Gold Member

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            That's just the locator tool... lol.. this is the remover..
            1969dartcleanupweek14 124.JPG
             
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            • RustyRatRod

              RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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            • MoparLeo

              MoparLeo NRA PATRON LEVEL LIFE MEMBER FABO Gold Member

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              Inner seal, is an oil seal. The outer seal is a Grease seal for the bearings. The inner seals are commonly damaged when installed improperly. The axle must be centered when reinstalled and not allowed to drag across the seal. The seal lip should be lubricated with Lithium or similar grease so as to not drag on the bearing surface and get damaged. Follow the Factory Service Manual and you will see exactly what parts go in there and how to properly change them. Not complicated. If something is damaged, replace it once. Don't try to save it twice.

              Just a question...when was the last time that you checked/adjusted the axle end play ? If they are loose, they will leak. No matter the axle condition. Grooves in axles are never good. Sleeves are just that, a temporary condom.
               
              Last edited: Apr 11, 2021
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              • dadsbee

                dadsbee FABO Gold Member FABO Gold Member

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                Exactly what I asked the OP in post #7... still waiting for him to come back.. :poke:
                 
              • Jadaharabi

                Jadaharabi FABO Gold Member FABO Gold Member

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                .
                Well Rusty I learned something from you today.

                All these years I never noticed that outer seal.
                And I replaced quite a few axle bearings. A lot of them I replace them with the green bearings so I wouldn't have noticed that anyway. But the only reason I can think there would be a seal out there underneath that adjuster or that axle retainer would be just to keep dirt out of getting into the axle bearings. Because the inner seal should keep all the rear end fluid inside the housing.
                So a big thumbs up to you Rusty.
                 
              • SGBARRACUDA

                SGBARRACUDA ROY FABO Gold Member

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                Outer seal is there also to keep the grease that you pack in the OEM bearings from getting contaminated and from washing out. Reason most people do not know much about them or routinely replace them is because the bearing has to be removed to replace the seal in the retainer.
                 
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