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Rattling sound coming from the engine.

Discussion in 'International Forum' started by texasmorrell, Feb 27, 2015.

Page 1 of 2
  1. Feb 27, 2015 #1
    texasmorrell

    texasmorrell Medium Load Member

    597
    625
    May 3, 2012
    Lone Star State
    0
    My truck started making a rattling sound. It's coming from the front near the engine fan. I only hear it when it's idling. I've heard other trucks making that same rattling sound before. Anybody give me an idea what it is?
     
    texasmorrell, Feb 27, 2015
    texasmorrell, Feb 27, 2015
    #1
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  3. Feb 27, 2015 #2
    315wheelbase

    315wheelbase Heavy Load Member

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    602
    Oct 26, 2014
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    Fan clutch?
     
    315wheelbase, Feb 27, 2015
    315wheelbase, Feb 27, 2015
    #2
    Riprap Thanks this.
  4. Feb 27, 2015 #3
    C-WALSH

    C-WALSH Bobtail Member

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    41
    Oct 4, 2014
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    What make of engine, mileage? Could be fan clutch, worn bushings on accessory gear, bull gear, blown/worn/loose front motor mounts, etc, etc...
     
    C-WALSH, Feb 27, 2015
    C-WALSH, Feb 27, 2015
    #3
  5. Feb 27, 2015 #4
    texasmorrell

    texasmorrell Medium Load Member

    597
    625
    May 3, 2012
    Lone Star State
    0
    2nd Gen ISX on a 09 Prostar 730k miles.
     
    Last edited: Feb 27, 2015
    texasmorrell, Feb 27, 2015
    texasmorrell, Feb 27, 2015
    #4
  7. Feb 27, 2015 #5
    Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Does it change at all when the air compressor is pumping?
     
    Heavyd, Feb 27, 2015
    Heavyd, Feb 27, 2015
    #5
  8. Feb 27, 2015 #6
    Riprap

    Riprap Light Load Member

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    1,979
    May 31, 2014
    Saginaw, MI
    0
    ^ what they said.
    Have you turned motor off and tried to see if the fan is wobbily? Mine was when the fan clutch was shot.
    Also does the noise come and go where it could be your air compressor when it cycles?
     
    Riprap, Feb 27, 2015
    Riprap, Feb 27, 2015
    #6
  9. Feb 27, 2015 #7
    jbourque

    jbourque Heavy Load Member

    924
    553
    Oct 25, 2012
    south english iowa
    0
    keep it simple check the fan clutch first, lots of luck
     
    jbourque, Feb 27, 2015
    jbourque, Feb 27, 2015
    #7
  10. Feb 27, 2015 #8
    Helowrenchturn2

    Helowrenchturn2 Medium Load Member

    484
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    Apr 23, 2013
    0
    What about the idler pulley/tensioner?
     
    Helowrenchturn2, Feb 27, 2015
    Helowrenchturn2, Feb 27, 2015
    #8
  11. Feb 28, 2015 #9
    texasmorrell

    texasmorrell Medium Load Member

    597
    625
    May 3, 2012
    Lone Star State
    0
    The sound does come and go. I dumped my air while I was idling to make the air compressor kick on. The sound was not there. Right now my truck sounds normal. The rattling is not there. But I'm sure it will return.
     
    texasmorrell, Feb 28, 2015
    texasmorrell, Feb 28, 2015
    #9
  12. Feb 28, 2015 #10
    ArsonLarson

    ArsonLarson Bobtail Member

    7
    0
    Feb 22, 2015
    0
    I had a similar noise on a '12 ISX in a W900 two years ago. One of the belt idler tension pulleys had to be replaced (under warranty of course). Could be your same issue.?.?.?
     
    ArsonLarson, Feb 28, 2015
    ArsonLarson, Feb 28, 2015
    #10
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