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Strange noise

Discussion in 'Cobra R's' started by oregon87, Jul 29, 2019.

  1. oregon87

    oregon87 Active Member Established Member

    Messages:
    156
    Joined:
    Aug 25, 2014
    Location:
    Bend, OR
    Calling all 00R owners. My R has a strange sound at around 2500-3000 RPM, under a load only. It very rarely will make the noise when free revving the engine in neutral or with the clutch in. As such, it’s been a pain to pin down. It’s a high pitch vibration/squeak, loud enough that it can just be heard outside of the car. I’ve looked under the car for the obvious. Driveshaft, exhaust vibration, etc. I am curious if anyone else has experienced a similar noise. It should be noted that I’ve got the Bassani cat back exhaust currently on the car. It’s been on it since I bought it almost 5 years ago. Short of mounting a GoPro under the car, any ideas?
     
  2. DAVESVT2000

    DAVESVT2000 Well-Known Member Established Member

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    6,082
    Joined:
    Mar 2, 2002
    Location:
    Central Mass.
    Throw out bearing ?

    When it makes the noise will it go away if you push the clutch in?
     
  3. SLOWBRA

    SLOWBRA Well-Known Member Established Member

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    Sep 26, 2001
    Location:
    NC
    Can you get a video of it?
     
  4. oregon87

    oregon87 Active Member Established Member

    Messages:
    156
    Joined:
    Aug 25, 2014
    Location:
    Bend, OR
    It goes away when you come off the throttle. So, by extension, the noise does disappear when pushing in the clutch, but not as a result of it. I’ll try to grab a iPhone vid of it next time I have the car out. It’s somehow load related and I swore it was a high frequency exhaust vibration, but I can’t recreate it with the car not moving, nor can I find anything obvious. May have to put it on a lift and investigate closer.
     
  5. T.R.I Cobra

    T.R.I Cobra New Member Established Member

    Messages:
    21
    Joined:
    Feb 21, 2014
    Location:
    Suburb of chicago

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