What is this noise when I blip the throttle?

Discussion in 'F-250 and F-350 General Tech and Info' started by CamKenyon, Mar 11, 2020.

  1. CamKenyon

    CamKenyon Junior Member

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    I believe that it has something to do with the emissions pump pulley or whatever that thing is but I'm not 100% sure. Let me know any ideas or if you've run into this problem.

     
  2. Roush PSD Interceptor

    Roush PSD Interceptor Straight Piped Diesel Staff Member

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    @CamKenyon Welcome to fordfullsize.com

    From the video it sounded worse on the driver's side.
    Those smog pumps are priced near a Benjamin after core
    charge.

    Def a bearing on one of the drive accessories.
    A mechanics stethoscope could help narrow it down
    by placing the end on each accessory and blipping the throttle.

    The auto parts store that has "Free Loan-a-Tool" program
    may have one to use. Call first for availability.

    Harbor Freight has them for $5
    NAPA has them for $10

    Depending on which accessory it is, a bearing or rebuild kit
    for that specific accessory would be cost effective.
    Then again it depends on your budget and the mileage of the
    part in question.

    Mechanic Sethoscope.jpg
     
    AK SNO RIDER likes this.

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