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2018 freightliner cascadia weird buzzer noise

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by joseph1853, Dec 13, 2017.

  1. Dec 13, 2017 #1
    joseph1853

    joseph1853 Road Train Member

    1,003
    562
    Dec 12, 2010
    Waco, TX
    0
    This truck keeps making this buzzer noise. Hard to describe. Sometimes it comes from the right dash area sometimes the left. It's not a beeping sort of noise. A low tone that last for a couple seconds. Anybody have an idea what it is?
     
    joseph1853, Dec 13, 2017
    joseph1853, Dec 13, 2017
    #1
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  3. Dec 13, 2017 #2
    skellr

    skellr Road Train Member

    8,737
    12,184
    Jul 17, 2011
    The Village, Portmeirion
    0
    Lane departure warning system? Try driving next to or over the fog line and see if you can hear it on the right side again.
     
    skellr, Dec 13, 2017
    skellr, Dec 13, 2017
    #2
  4. Dec 13, 2017 #3
    joseph1853

    joseph1853 Road Train Member

    1,003
    562
    Dec 12, 2010
    Waco, TX
    0
    Yeah that was it.
    Man what will they think of next.
    Penske gave me this truck for a rental and it was a windy day so I was naturally having a hard time keeping her exactly between the lines. Seemed like it was going off every 10 seconds or so.. Got in an area that wasn't so windy and the buzzer stopped.
    Not sure if I'm liking this or not but it does seem like it would be good for keeping you from swerving off the road or into on coming traffic due to falling asleep or the like. Won't really be able to tale until I drive it on a none windy day.
    I called freightliner up to ask about it and they gave me no help. I told them I'm sure its something simple but of course they wanted me to bring it in..
     
    joseph1853, Dec 13, 2017
    joseph1853, Dec 13, 2017
    #3
  5. Dec 13, 2017 #4
    skellr

    skellr Road Train Member

    8,737
    12,184
    Jul 17, 2011
    The Village, Portmeirion
    0
    There might be a button on the dash that will turn it off for 15 min or so.

    They pickup lines in the road when the sun is low and hitting the road just right. And curves in the road when you are just trying to keep the trailer centered in the lane. It gets old, hope you're not stuck with it for long.
     
    skellr, Dec 13, 2017
    skellr, Dec 13, 2017
    #4
    joseph1853 Thanks this.
  7. Dec 15, 2017 #5
    joseph1853

    joseph1853 Road Train Member

    1,003
    562
    Dec 12, 2010
    Waco, TX
    0
    yeah it's a nice truck other then that. sure does keep you on your toes though. it will drive you nutts when its windy.
     
    joseph1853, Dec 15, 2017
    joseph1853, Dec 15, 2017
    #5
  8. Jan 10, 2018 #6
    kawnomad

    kawnomad Bobtail Member

    2
    2
    Jan 10, 2018
    0
    Found out what causes the motorcycle noise in Cascadia on the right side of the engine there is a two piece heat shield over the turbo. I took a screwdriver and bent the shield at the seam between the picecs and put a link in it, solved my problem. Good luck.
     
    kawnomad, Jan 10, 2018
    kawnomad, Jan 10, 2018
    #6
    joseph1853 Thanks this.
  9. Feb 9, 2018 #8
    Villain

    Villain Bobtail Member

    1
    1
    Feb 9, 2018
    0
    Depending on the make and year you can disconnect those lane departure sensors at the box on the windshield. I have 2018 cascadia, beautiful truck but I dont like that its auto. Anyways these are super sensitive to the lane departure warning, if you pop of the housing cover there is just a wire you disconnect amd that solves it.
     
    Villain, Feb 9, 2018
    Villain, Feb 9, 2018
    #8
    joseph1853 Thanks this.
  10. May 11, 2018 #9
    Wingfire9

    Wingfire9 Bobtail Member

    1
    0
    Feb 22, 2017
    0
    You mean the housing that looks like a camera on the windshield? How do you open it? I don't want to break anything but that noise drives me crazy doing around curves early morning.
     
    Wingfire9, May 11, 2018
    Wingfire9, May 11, 2018
    #9
  11. Aug 23, 2018 #10
    Cassini

    Cassini Bobtail Member

    7
    5
    Jul 23, 2018
    0
    Hey, could you post a picture or describe the wire that we could disconnect? Thanks.
     
    Cassini, Aug 23, 2018
    Cassini, Aug 23, 2018
    #10
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