Wierd Buzz Noise and Vibration

Discussion in 'Ford F-150 Raptor General Discussions [GEN 2]' started by lightman02, Sep 22, 2017.

  1. lightman02

    lightman02 Full Access Member

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    Took my truck out last night and was with a friend, stopped at a light and we both noticed a weird vibration on and off noise that sounded like an electric motor running. The only thing I can compare the sound heard inside the truck is to a central AC unit fan ( Buzzz, Buzzz, Buzzzz) Didn't hear or feel it again until I got back to my driveway, got out of the truck with it running to check. It sounds like it's coming from the lower front, you can hear it but it's not overwhelming at all. Keep in mind the engine RPM's don't fluctuate and it doesn't seem like it's coming from the engine itself. The AC or any climate functions were not on all, so it's not related to that. I know I'm under warranty, just wondering if anyone had similar issues. Sounds like it's coming from lower the main radiator fans. We do have separate intercooler fans, correct?
     
  2. smurfslayer

    smurfslayer Be vewwy, vewwy quiet. We’re hunting sasquatch77

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    I’ll bet it’s either the radiator or i/c fans.

    April Raptor Assault truck number 9 had a rather loud, cyclical humming noise, troubleshot as the fans.
     
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  3. K1llD4shN1n3

    K1llD4shN1n3 Full Access Member

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    I was in truck 9 too and I remember that noise. Was pretty loud but seemed obvious it was the fans.


    Sent from my iPhone using Tapatalk
     
  4. lightman02

    lightman02 Full Access Member

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    Thanks for the input, I'll keep an eye on it, of course I haven't heard it again since that night.
     
  5. WhatExit?

    WhatExit? FRF Addict

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    Take it to the dealership's service department - you'll be sure never to hear it there! :ROFLJest:
     
  6. lightman02

    lightman02 Full Access Member

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    Just an update on this, it was the intercooler fans. They are held in with rubber mounts between two plates, there is no bolts so whole thing kind of floats. When I cleaned my truck from off-roading the dirt must have gotten pushed through onto intercooler fins onto the fans, dried and threw the whole thing off balance. A nice direct cleaning to the fans with a garden hose got rid of the dirt and seems to have solved the issue. Good thing is that this can be done with the skid plate on.
     
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  7. RenegadeReady

    RenegadeReady Member

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    Thanks. I was having the problem for about two months, I took my truck to the dealer and they couldn’t find what was wrong. I read your thread and sprayed my intercooler, once I did that the problem stopped.
     
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  8. RenegadeReady

    RenegadeReady Member

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    Quick update. So spraying where the intercooler is located did help, and my raptor didn’t experience any vibration for about a week. My raptor had small episode this past weekend but since then the symptoms have been absent. I took my Raptor to Ford Monday the 12th 2018 but they were on able to find any issues with my truck for the second time being at the dealer for the same issue. According to them my truck is running fine... fusterating I guess you can’t take a off road truck off roading lol
     
  9. Robtor310

    Robtor310 FRF Addict

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    My truck at the Raptor Assault (#16) did the same thing. Mud on the fans, no biggie.
     
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  10. Toadster

    Toadster FRF Addict

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    yup common issue with lots of dirt/mud getting into the fans...
     

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