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High pitched whine/squeal when using engine breaks

Discussion in 'International Forum' started by ThreeWay, Apr 22, 2016.

  1. Apr 22, 2016 #1
    ThreeWay

    ThreeWay Bobtail Member

    1
    0
    Apr 22, 2016
    0
    I've noticed an issue with my 2005 International 9400i. When I am using the engine breaks it develops a high pitched squealing/whining noise from the front right area of the engine. When I start accelerating it whines for a bit then goes away.

    It's been doing it since I bought the truck but has been happening more frequently and more severe so I just wanted some ideas as to what I should start looking at.
     
    ThreeWay, Apr 22, 2016
    ThreeWay, Apr 22, 2016
    #1
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  3. Apr 22, 2016 #2
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Jul 16, 2012
    Bentonville Arkansas
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    Check turbo bolts.
     
    TruckerPete1990, Apr 22, 2016
    TruckerPete1990, Apr 22, 2016
    #2
  4. Apr 23, 2016 #3
    Freddy57

    Freddy57 Road Train Member

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    Nov 29, 2013
    Mount Vernon, MO
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    If the air intercooler is leaking, you will hear a high pitched squeal during times of high turbo pressure. You might have it checked when you get a chance.
     
    Freddy57, Apr 23, 2016
    Freddy57, Apr 23, 2016
    #3
  5. Apr 23, 2016 #4
    Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Exhaust leak at egr valve or exhaust manifold.
     
    Heavyd, Apr 23, 2016
    Heavyd, Apr 23, 2016
    #4
  6. May 1, 2016 #6
    texasmorrell

    texasmorrell Medium Load Member

    597
    624
    May 3, 2012
    Lone Star State
    0
    Like Heavy D said. Probably turbo mounting gasket. Run your fingertip around the perimeter and feel for a jagged edge. You can see it with a flashlight too.
     
    texasmorrell, May 1, 2016
    texasmorrell, May 1, 2016
    #6
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