Minor Popping noise from exhaust - NCRS Discussion Boards

Minor Popping noise from exhaust

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  • Jerome P.
    Expired
    • October 22, 2006
    • 607

    Minor Popping noise from exhaust

    Today I noticed a occasional, but minor, popping from the right side exhaust while the engine was running at idle.

    Any thoughts as to what is going on?
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43211

    #2
    Re: Minor Popping noise from exhaust

    Originally posted by Jerome Pederson (46381)
    Today I noticed a occasional, but minor, popping from the right side exhaust while the engine was running at idle.

    Any thoughts as to what is going on?

    Jerry-----

    One possibility would be a slightly malfunctioning diverter valve. Easy to check. Disable the pump (remove the belt) and seal off the diverter valve vacuum source from the carb. If the popping ceases, you've found the problem. If not, it's something else.
    In Appreciation of John Hinckley

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