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Volvo 2011 conversion to n14 select + not heat in cab

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Troady, Mar 23, 2018.

  1. Mar 23, 2018 #1
    Troady

    Troady Light Load Member

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    Nov 19, 2012
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    Hi there guys, we recently pull the D13 engine out the 780 Volvo truck and got a N14 red top in it, everything is fine except for not having hot air in the cab, any ideas?
     
    Last edited: Mar 24, 2018
    Troady, Mar 23, 2018
    Troady, Mar 23, 2018
    #1
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  3. Mar 23, 2018 #2
    Troady

    Troady Light Load Member

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    The mechanic who did the conversion set the two hoses coming in the cab from the top of the thermostat housing, the hoses feel warm/hot but not hot air is coming in the cab.
     
    Troady, Mar 23, 2018
    Troady, Mar 23, 2018
    #2
  4. Mar 23, 2018 #3
    Troady

    Troady Light Load Member

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    Nov 19, 2012
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    The APU is also hookup to the truck radiator and is not giving any hot air either, just blowing cold.
     

    Attached Files:

    Last edited: Mar 24, 2018
    Troady, Mar 23, 2018
    Troady, Mar 23, 2018
    #3
  5. Mar 24, 2018 #4
    boneebone

    boneebone Road Train Member

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    You must have a shutoff valve on the engine turned on so heat doesn't flow through the heater core.

    Did you check to see if you have thermostats installed on your engine?
     
    boneebone, Mar 24, 2018
    boneebone, Mar 24, 2018
    #4
  7. Mar 24, 2018 #5
    spsauerland

    spsauerland Road Train Member

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    West Harrison, In
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    Doesn't look like water would flow the way it is set up. Been awhile since I looked @ a N-14, but coolant flow to heater core should be somewhere after WP discharge and return should be to water pump suction side.
     
    spsauerland, Mar 24, 2018
    spsauerland, Mar 24, 2018
    #5
  8. Mar 24, 2018 #7
    Troady

    Troady Light Load Member

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    It's there supposed to be a channel split inside the cavity on top of the WP where the hoses are coming from?
     
    Last edited: Mar 24, 2018
    Troady, Mar 24, 2018
    Troady, Mar 24, 2018
    #7
  9. Mar 24, 2018 #7
    Troady

    Troady Light Load Member

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    Nov 19, 2012
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    Engine do have thermostat and its working properly, 170 on highways, 180-190 on city traffic, fan coming in at 190. Shut-off valve was in the original tubing system replaced now by the two blue hoses.
     
    Last edited: Mar 24, 2018
    Troady, Mar 24, 2018
    Troady, Mar 24, 2018
    #7
  10. Mar 24, 2018 #9
    Troady

    Troady Light Load Member

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    Nov 19, 2012
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    When to a TA today, they charge me $240 and said it's nothing they can do, water do not want to flow thru the heater core.
     
    Last edited: Mar 25, 2018
    Troady, Mar 24, 2018
    Troady, Mar 24, 2018
    #9
  11. Mar 24, 2018 #9
    spsauerland

    spsauerland Road Train Member

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    May 31, 2010
    West Harrison, In
    0
    1999-Cummins-N14-Engine-Assys-1BsmYhTTbVvn_b.jpg
    See in this picture how there is water shut-off valve in water manifold by rear head and one @ water pump inlet tube. You need to plumbing it something like this so water will actually flow. Head valve will be under pressure and one @ water pump will be under slight suction.
     
    spsauerland, Mar 24, 2018
    spsauerland, Mar 24, 2018
    #9
    Justrucking2 and Troady Thank this.
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