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Air noise upon up shifting

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Altabred, Aug 19, 2013.

  1. Aug 19, 2013 #1
    Altabred

    Altabred Bobtail Member

    2
    0
    Aug 19, 2013
    0
    Hi all,
    I have 2011 Kenworth T800 that's making a air sucking noise when accelerating/ upshifting. Also noticing loss in power as well. Could it be problem with turbo or exhaust system? I can't get to shop right away, will I damage engine driving it? I just had in shop last week for CVIP and didn't realize that. Any help would be great! Thanks
     
    Altabred, Aug 19, 2013
    Altabred, Aug 19, 2013
    #1
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  3. Aug 19, 2013 #2
    deskdriver

    deskdriver Light Load Member

    241
    140
    Aug 6, 2013
    Michigan
    0
    Check for holes in the boots for the charge air cooler.
     
    deskdriver, Aug 19, 2013
    deskdriver, Aug 19, 2013
    #2
  4. Aug 19, 2013 #3
    mjtrucking

    mjtrucking Bobtail Member

    28
    4
    Jan 22, 2013
    0
    Ease off the throttle when you shift if you let up to fast it'll make that noise on older trucks
     
    mjtrucking, Aug 19, 2013
    mjtrucking, Aug 19, 2013
    #3
  5. Aug 20, 2013 #4
    Gasienica

    Gasienica Heavy Load Member

    924
    528
    Sep 7, 2011
    0
    Might be able to hear it better now if you got air canisters in the sides of the truck instead of under the hood.
     
    Gasienica, Aug 20, 2013
    Gasienica, Aug 20, 2013
    #4
  7. Aug 20, 2013 #5
    Altabred

    Altabred Bobtail Member

    2
    0
    Aug 19, 2013
    0
    Thanks for the replies! I actually ended up taking it back to Kenworth today as I noticed they didn't grease truck when it got wet service done! So got them to also look at why/where sucking noise was coming from. The shop foreman notice that clamps on the positive air shutoff where not tightened up when they worked on it during the CVIP! So a lot of shoddy workmanship on their part. Running normal again thankfully!
     
    Altabred, Aug 20, 2013
    Altabred, Aug 20, 2013
    #5
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