Strange metallic engine sound | FerrariChat

Strange metallic engine sound

Discussion in 'Mondial' started by stekkefun4, Nov 13, 2017.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. stekkefun4

    stekkefun4 Formula 3
    BANNED

    Nov 22, 2006
    2,232
    Belgium - Europe
    When firing up the golden one after some months of restauration, I notice a metallic sound coming from the side of the belts in the engine bay.

    I took a video and when the camera gets closer to the belts, the sounds gets clearer. I assume this might have something to do with the AC belt as the frequency does not change when revving up.

    Maybe some of you guys immediately know what this sound is ...

    video:
     
  2. theunissenguido

    theunissenguido Formula 3
    Owner Silver Subscribed

    Jan 21, 2004
    2,371
    Argent/Brasil
    Full Name:
    Guido
    PM send...
    Guido
     
  3. Subito Grigio

    Subito Grigio Formula Junior

    Jun 2, 2009
    327
    Not a good sound at all. I was hoping it would be metallic "snap snap snap" which drove me wild - it was a cold belt.

    This sounds like continuous grinding to me.

    Be careful until you find out. Best wishes, j


    Sent from my iPhone using FerrariChat.com mobile app
     
  4. stekkefun4

    stekkefun4 Formula 3
    BANNED

    Nov 22, 2006
    2,232
    Belgium - Europe
    sounds like the water pump I think
     
  5. Stanley Kendall

    Stanley Kendall Karting
    BANNED

    Oct 22, 2017
    68
    Sounds like a bad bearing. Don’t put any hard miles on it till fixed.
     
  6. Bell Bloke

    Bell Bloke Formula 3

    Dec 6, 2012
    1,839
    UK
    Take the wheel arch liner out and get a stethoscope on it. Don't rev the motor just run it. However to be honest it it were me I'd have the belt covers off and the pump belts off to check for play before I even ran the engine again....
    Regards Bell
     
  7. stekkefun4

    stekkefun4 Formula 3
    BANNED

    Nov 22, 2006
    2,232
    Belgium - Europe
    I'll have my Ferrari repair shop check out that sound and solve the issue after I'm done with everything I still need to do.
     
  8. sidtx

    sidtx F1 Rookie
    Owner

    Feb 9, 2014
    4,454
    Frisco, Tx
    Full Name:
    Sid
    my first thought is the AC Compressor. The noise increases as you move the camera closer to the compressor.

    My AC compressor makes a horrible racket between 3K and 4K RPM - when the AC is turned on. I'm going to replace it, as it leaks anyway, just havent gotten around to it as we are trying to sell our house.

    Sid
     
  9. swong46

    swong46 Karting

    Jun 24, 2015
    137
    Bay Area, CA
    I have the same sound on the rear bank right at the sprockets. Let us know what you find.
     
  10. stekkefun4

    stekkefun4 Formula 3
    BANNED

    Nov 22, 2006
    2,232
    Belgium - Europe
    OK, solved . It was the water pump, has been replaced today and the engine sounds fine now
     
    Jeka likes this.
  11. Bell Bloke

    Bell Bloke Formula 3

    Dec 6, 2012
    1,839
    UK
    Excellent news
     
  12. Subito Grigio

    Subito Grigio Formula Junior

    Jun 2, 2009
    327
    Whew! Relief all 'round!


    Sent from my iPhone using FerrariChat
     

Share This Page