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Engine making a Hoot Owl Sound???????

Discussion in 'Trucks [ Eighteen Wheelers ]' started by RTR, Feb 14, 2013.

  1. Feb 14, 2013 #1
    RTR

    RTR Light Load Member

    194
    49
    Nov 29, 2011
    Alabama
    0
    I have noticed going through the first five gears when I let off the fuel pedal, I hear something sounds like a Hoot Owl saying Whooo, when I get back on the pedal it goes away?
    I have checked my hump hoses and found nothing, any suggestions would be greatly appreciated.
    07 T600, Cat c-15 435hp.
     
    RTR, Feb 14, 2013
    RTR, Feb 14, 2013
    #1
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  3. Feb 14, 2013 #2
    carogator

    carogator Bobtail Member

    32
    2
    Jan 22, 2013
    South Carolina
    0
    sounds as if you have a leak in your turbo hosing.
     
    carogator, Feb 14, 2013
    carogator, Feb 14, 2013
    #2
  4. Feb 15, 2013 #3
    bubbanbrenda

    bubbanbrenda Road Train Member

    1,388
    650
    Feb 27, 2011
    Middletown,Oh.
    0
    '07 C-15 should have compound turbo's (2) check ALL clamps, turbo and plumbing including the convoluted tubing and its clamps, you definitely got yourself a boost leak.
     
    bubbanbrenda, Feb 15, 2013
    bubbanbrenda, Feb 15, 2013
    #3
  5. Feb 15, 2013 #4
    kalh7

    kalh7 Light Load Member

    186
    62
    Mar 28, 2007
    southern illinois
    0
    If you can't find anything for a last resort check the exhaust wheels on the turbos. Had a problem with a similar noise after letting off the pedal. The problem was that a couple of the exhaust sleeves broke loose and went through the turbos. The fins on the wheel got tore up causing the noise. Didn't have a boost loss that I could tell just the noise.
     
    kalh7, Feb 15, 2013
    kalh7, Feb 15, 2013
    #4
  7. Feb 22, 2013 #5
    RTR

    RTR Light Load Member

    194
    49
    Nov 29, 2011
    Alabama
    0
    No boost leak, turbos checked out fine no air leaks found?????? Any suggestions??
     
    RTR, Feb 22, 2013
    RTR, Feb 22, 2013
    #5
  8. Feb 23, 2013 #6
    rickybobby

    rickybobby Road Train Member

    4,843
    6,672
    Jul 10, 2010
    greensboro, nc
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    Hey, Are you still with Malone? If, so how is it going?
     
    rickybobby, Feb 23, 2013
    rickybobby, Feb 23, 2013
    #6
  9. Feb 23, 2013 #7
    RTR

    RTR Light Load Member

    194
    49
    Nov 29, 2011
    Alabama
    0
    January 25th was my last day with them! Freight got slow, very slow after I turned down 2 hot loads, and decided to move on.
     
    RTR, Feb 23, 2013
    RTR, Feb 23, 2013
    #7
  10. Feb 24, 2013 #8
    rickybobby

    rickybobby Road Train Member

    4,843
    6,672
    Jul 10, 2010
    greensboro, nc
    0
    Ok i can understand that. Are you going back loggin?
     
    rickybobby, Feb 24, 2013
    rickybobby, Feb 24, 2013
    #8
  11. Feb 24, 2013 #9
    Cwhitt2509

    Cwhitt2509 Bobtail Member

    17
    1
    Feb 21, 2013
    0
    Had one making hoot hoot was a exhaust manifold gasket on the back hole
     
    Cwhitt2509, Feb 24, 2013
    Cwhitt2509, Feb 24, 2013
    #9
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