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What is this and should it be like this??

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Plsdontflip, Jan 17, 2022.

  1. Jan 17, 2022 #1
    Plsdontflip

    Plsdontflip Light Load Member

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    Hello all, I am not very mechanically inclined at all, and during a pre trip I noticed this bar sitting on the drive shaft so naturally out of curiosity I pulled it up and when I did it let out a loud hiss of air from I don't know where. It doesn't seem well secured and seems like natural bumping of the truck could cause it to discharge air or something. I don't know. Any body know what this is? Should I leave it like this?
     

    Attached Files:

    Plsdontflip, Jan 17, 2022
    Plsdontflip, Jan 17, 2022
    #1
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  3. Jan 17, 2022 #2
    Lyle H

    Lyle H Road Train Member

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    Looks like the rod from the leveling valve.
    Probably from the cab air bags or suspension bags.
    I’m guessing it’s the sleeper air bag valve. Check to see if your sleeper air bags are deflated.
     
    Last edited: Jan 17, 2022
    Lyle H, Jan 17, 2022
    Lyle H, Jan 17, 2022
    #2
    Roger McG, Mike250rs and jsnell Thank this.
  4. Jan 18, 2022 #3
    OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    As mentioned above, it’s a leveling valve arm. Since the exhaust is visible it’s apparently for the cab / sleeper air bags….
     
    OLDSKOOLERnWV, Jan 18, 2022
    OLDSKOOLERnWV, Jan 18, 2022
    #3
  5. Jan 18, 2022 #4
    p608

    p608 Road Train Member

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    Also looks like it is disconnected
     
    p608, Jan 18, 2022
    p608, Jan 18, 2022
    #4
    Mike250rs Thanks this.
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