My Briggs 16hp might have developed a fatal problem.

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Thread: My Briggs 16hp might have developed a fatal problem.

  1. #1
    Join Date
    Aug 2021
    Location
    Iowa
    Posts
    6

    My Briggs 16hp might have developed a fatal problem.

    The Briggs 16hp in my 98' Argo Vanguard suddenly shut off while idling. It started right back up but was making a noise similar to a pressure cooker. I took the belt off and turned the engine over by hand and noticed a metallic scraping and popping noise (a bit like an aluminum can being rubbed against a saw blade). The engine starts and runs about as well as it always did but the noise has me concerned that it might not continue for much longer.
    I'm a bit at a loss as what to do next. I suppose I'll check the oil next for shavings. I'd rather someone else get into it if it requires the engine to be taken completely apart. So I'm thinking of pulling the engine out and taking it to my local lawnmower repair shop (I have the only 6x6 in the area I think).
    If it's a fatal problem or too much to be worth fixing I was thinking of putting in a Honda GX690 or something similar.

  2. #2
    Join Date
    Oct 2007
    Location
    statesville, north carolina
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    2,604
    i would take the flywheel off and see if something has fallen between it and the engine block.
    A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

  3. #3
    Join Date
    Aug 2021
    Location
    Iowa
    Posts
    6
    Quote Originally Posted by racerone3 View Post
    i would take the flywheel off and see if something has fallen between it and the engine block.
    I pulled the flywheel and found that one of the earthen magnets inside had suffered partial existence failure. This shredded a metal ring that was inside protecting the magnets and the pieces were rubbing on various parts of the alternator and engine block which explains the noise. The problem wasn't fatal, the engine seems to run just fine now without the noise. Though I wonder if I should replace the flywheel as the earthen magnets got pretty beat up from the chunks that were grinding around inside.

  4. #4
    Join Date
    Oct 2007
    Location
    statesville, north carolina
    Posts
    2,604
    i would replace it. also check to make sure your battery is still charging. it easily could have broken a wire on the charging coil
    A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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