any idea what part this is

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 4noReason, Dec 26, 2020.

  1. 4noReason

    4noReason Road Train Member

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    got a glider columbia. so hose part list wont come. up. hose below bigger hose any idea what it is
     

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  3. McMahons Trucking

    McMahons Trucking Light Load Member

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    Looks like a coolant hose. Where does it connect?
     
  4. 4noReason

    4noReason Road Train Member

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    the head to a pipe . its a tiny one. looks like elbow hose.
     
  5. McMahons Trucking

    McMahons Trucking Light Load Member

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    Must be a bypass of some sort.
     
  6. Brandt

    Brandt Road Train Member

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    That's the blow by vent hose on a S60 Detroit. It should lead down to bottom of engine.. Engine oil some smoke will come out at bottom of the hose.
     
    Last edited: Dec 26, 2020
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  7. 4noReason

    4noReason Road Train Member

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    do u mean the bent one below the upper radiator hoswme?
     
  8. Brandt

    Brandt Road Train Member

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    Yes, the one below the BIG coolant hose. that has bent rubber hose hooked to metal tube. I'm believe that what it is. It should go down side of engine and it blow oil and smoke out the bottom and onto the ground. When the engine get more miles it will blow more smoke and more oil will drip out of it.
     
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  9. Brandt

    Brandt Road Train Member

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    The blow bye vent hose is so the crankcase does not build up pressure. The new emissions don't let this happen anymore.


     
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  10. Rideandrepair

    Rideandrepair Road Train Member

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    No need to change it, doesn’t hold pressure or any fluid.
     
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  11. 4noReason

    4noReason Road Train Member

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    yup u 100% right. wat a relief. finding that tiny hose is so hard
     
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