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Piston Soak

This topic contains 3 replies, has 2 voices, and was last updated by EricTheCarGuy 1 EricTheCarGuy 1 month, 3 weeks ago.

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  • #1003162
    Dean Sheaffer
    Dean Sheaffer
    Participant

    I am starting a piston soak with Berryman’s B12 on a 2015 Audi Q5 that is burning a ton of oil. After pulling the sparkplugs I used an endoscope to inspect the pistons. There appears to be metal bits and/or carbon bits at the top of the pistons. I assume this is not normal and would like opinions on whether or not to proceed with the piston soak. Thanks in advance!

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  • #1003213
    EricTheCarGuy 1
    EricTheCarGuy
    Keymaster

    In my experience, if an engine is burning a lot of oil, there are really only 2 things for it. You can replace or rebuild the engine. otherwise, you’re likely wasting your time and money.

    More info on burning oil here: https://www.ericthecarguy.com/faq/finding-and-fixing-leaks/finding-and-fixing-leaks

    Good hunting and please keep us posted.

    #1003305
    Dean Sheaffer
    Dean Sheaffer
    Participant

    Thanks. I am trying to avoid selling the car (it’s probably not worth the engine rebuild / replace). I completed the piston soak, oil and sparkplug change, and certainly see/hear/feel an improvement. I did get several miss fires at very high rpms as I attempted to blow the crud out, but it seems to have settled back down. Check engine light reset and giving it back to the wife. Not sure how long any perceived improvement will last or if oil consumption will actually be reduced…I will report back here the results – one way or the other.

    #1003509
    EricTheCarGuy 1
    EricTheCarGuy
    Keymaster

    Thank you for the update. I hope it works out.

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