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Found a piece of melted silver in my drained oil

Discussion in 'Technical Chat' started by millenialfalcon, Dec 29, 2024.

  1. Dec 29, 2024 at 8:18 AM
    #1
    millenialfalcon

    millenialfalcon [OP] Active Member

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    image.jpg I did some 70-85 mph/21-2400 rpm driving over the holiday including about 2000 ft of steep elevation gain at 45 mph. I noticed some yellowish bubbles during last lil change so I took a good look during today’s oil change.

    There weren’t any bubbles but I did find this piece of melted metal that seems a little large. I don’t have a magnetic drain plug

    78k miles on a 2015 4.0. Previous owner was elderly and I bought at 26k milesimage.jpg
     
  2. Mar 17, 2025 at 8:09 AM
    #2
    TJTM

    TJTM Active Member

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    Most likely babbet material from a bearing.

    I had this happen years ago with a Hyundai soon after buying it used. I didn't effect any sort of repair and it caused me no troubles after the fact, but I am meticulous when it comes to oil changes.
     
  3. Mar 17, 2025 at 8:40 AM
    #3
    MR5X5

    MR5X5 Well-Known Member

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    Did you pull that hill in 4th, as opposed to D? If not you probably put a good deal of heat into your tranny. Might give that fluid a quick look while you are at it.
     
  4. Mar 17, 2025 at 8:45 AM
    #4
    crazysccrmd

    crazysccrmd Well-Known Member

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    Don’t scare the guy, the transmission is fine. Driving over a hill in D is what the truck is designed to do. If it can’t remain in overdrive it will downshift on its own. Knowing the 4.0 and the transmission it was probably down in third gear right away.
     
  5. Mar 17, 2025 at 9:24 AM
    #5
    millenialfalcon

    millenialfalcon [OP] Active Member

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    I suffered through two consecutive ATF drain and fills after my original trans drain plug was rusted out last year. Don’t tell me that lol.
     
  6. Mar 17, 2025 at 9:26 AM
    #6
    millenialfalcon

    millenialfalcon [OP] Active Member

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    Thanks for the reply. I just did a Blackstone Labs oil test to make sure and with exception to oil viscosity being a little low and fuel presence right on the borderline, all the results were good including coolant.
     

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