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Need some help

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by unknownthreads, Nov 27, 2021.

  1. Nov 27, 2021 #1
    unknownthreads

    unknownthreads Bobtail Member

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    Nov 27, 2021
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    I have a 2008 freightliner Columbia, I am needing to replace the air horns (hadley) I have asked around locally and no one has seen this. I am trying to figure out how to access the mounting screws.
     

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    unknownthreads, Nov 27, 2021
    unknownthreads, Nov 27, 2021
    #1
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  3. Nov 27, 2021 #2
    blairandgretchen

    blairandgretchen Road Train Member

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    Not for nothing, but if I were you , I’d just install a set of train horns. $150 and done.
     
    blairandgretchen, Nov 27, 2021
    blairandgretchen, Nov 27, 2021
    #2
    Oxbow Thanks this.
  4. Nov 27, 2021 #3
    blairandgretchen

    blairandgretchen Road Train Member

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    Took me half an hour or so.
     
    blairandgretchen, Nov 27, 2021
    blairandgretchen, Nov 27, 2021
    #3
    Oxbow and Chinatown Thank this.
  5. Nov 27, 2021 #4
    AModelCat

    AModelCat Road Train Member

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    Probably have to drop the headliner.
     
    AModelCat, Nov 27, 2021
    AModelCat, Nov 27, 2021
    #4
    Oxbow, unknownthreads and blairandgretchen Thank this.
  7. Nov 27, 2021 #5
    blairandgretchen

    blairandgretchen Road Train Member

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    South west Missouri
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    That’s about the point I stopped on mine. At the price and hassle of replacing the factory horns, aftermarket was an obvious choice.
     
    blairandgretchen, Nov 27, 2021
    blairandgretchen, Nov 27, 2021
    #5
    Oxbow, Lonesome and unknownthreads Thank this.
  8. Nov 27, 2021 #6
    unknownthreads

    unknownthreads Bobtail Member

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    Nov 27, 2021
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    I had a feeling that it was going to need to come out. The one local that gave me any hope said that figure 8 was a cap. I still didn’t see how it was coming off (the easy way)
     
    unknownthreads, Nov 27, 2021
    unknownthreads, Nov 27, 2021
    #6
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