Trailer protection valve 1998 peterbilt 379

Discussion in 'Peterbilt Forum' started by Peterbiltpipa, Nov 10, 2018.

  1. Peterbiltpipa

    Peterbiltpipa Bobtail Member

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    Nov 10, 2018
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    I have the part just can’t find where the part goes so I can replace it! Help
     
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  3. RoadRooster

    RoadRooster Road Train Member

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    Right next to the blinker fluid dipstick... common knowledge, common sense.
     
    blairandgretchen Thanks this.
  4. blairandgretchen

    blairandgretchen Road Train Member

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    Dec 9, 2011
    South west Missouri
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    Here - let me help.

    Can anyone please tell me the location of the trailer protection valve on a 1998 Pete 379?

    Thanks in advance -

    Yours truly - @Peterbiltpipa

    I own a 1995 and also would like to know, just in case I’m in your situation.
     
  5. blairandgretchen

    blairandgretchen Road Train Member

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    South west Missouri
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    Don’t you have show chickens to take care of?

    :)
     
  6. I glide 47

    I glide 47 Road Train Member

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    Pictures of the valve you have could help
     
  7. Hogleg

    Hogleg Medium Load Member

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    Nov 20, 2016
    Salem, Illinois
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    Follow the lines from your truck gladhands back towards the cab, the TPV will be the first valve you encounter. On my 359 day-cab, it is just under the cab behind the driver's position. If my truck still had a sleeper, that would put it at the junction where the sleeper attaches to the cab behind the driver position. Have no idea where it is on a 379 but could be in a similar position.
     
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