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D13 expansion tub plastic connector leaking

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by ashtre, Mar 30, 2020.

  1. Mar 30, 2020 #1
    ashtre

    ashtre Light Load Member

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    May 9, 2016
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    Guessin i need a volvo shop to find plastic connector on left? Kinda snug on that rubber tube worried if i cut it and put new one on, won't be enough play to reconnect.
     

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    ashtre, Mar 30, 2020
    ashtre, Mar 30, 2020
    #1
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  3. Mar 30, 2020 #2
    PE_T

    PE_T Road Train Member

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    Spray or pour some water on it to see where the leak is coming from. Sometimes if you tighten the clamp or install a new one the leak stops.
     
    PE_T, Mar 30, 2020
    PE_T, Mar 30, 2020
    #2
  4. Mar 30, 2020 #3
    ashtre

    ashtre Light Load Member

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    May 9, 2016
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    I wish it was a clamp, it's a plastic thing (prob with o ring inside i'm guessin) that can swivel, and i can see air bubbles escaping from it soon as i cut off engine, seems like the heat has worn it a little, i am approaching 700k mi
     
    ashtre, Mar 30, 2020
    ashtre, Mar 30, 2020
    #3
    PE_T Thanks this.
  5. Mar 30, 2020 #4
    PE_T

    PE_T Road Train Member

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    Post a closeup picture so we can see the problem better.
     
    PE_T, Mar 30, 2020
    PE_T, Mar 30, 2020
    #4
  7. Mar 30, 2020 #5
    Newto Trucking

    Newto Trucking Medium Load Member

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    Dec 26, 2013
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    You will need to replace that hose, they’re notorious for cracking when you try to remove them at a higher mileage, it would have happened sooner or later
     
    Last edited: Mar 31, 2020
    Newto Trucking, Mar 30, 2020
    Newto Trucking, Mar 30, 2020
    #5
    spsauerland Thanks this.
  8. Mar 30, 2020 #6
    ashtre

    ashtre Light Load Member

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    May 9, 2016
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    Thank ya
     
    ashtre, Mar 30, 2020
    ashtre, Mar 30, 2020
    #6
  9. Mar 30, 2020 #7
    ashtre

    ashtre Light Load Member

    109
    108
    May 9, 2016
    0
     

    Attached Files:

    ashtre, Mar 30, 2020
    ashtre, Mar 30, 2020
    #7
    Newto Trucking and PE_T Thank this.
  10. Mar 30, 2020 #8
    PE_T

    PE_T Road Train Member

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    I’m not familiar with that type of connection, but I’ve come across a coolant hose that’s made out of a hard flexible plastic. It came with its own connection.

    Have you tried taking the hose off to see if there is an o-ring inside? You probably want to first relieve the pressure inside the coolant reservoir by slowly removing the cap.
     
    PE_T, Mar 30, 2020
    PE_T, Mar 30, 2020
    #8
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