Burping a radiator, question

Discussion in 'Ask An Owner Operator' started by Bigwin123, Jan 13, 2020.

  1. mtoo

    mtoo Road Train Member

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  2. BUMBACLADWAR

    BUMBACLADWAR Road Train Member

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    This is a good detailed answer. Exactly right.Basically gotta get the radiator elevated "higher" than the heater core and the top of the engine.
     
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  3. Bigwin123

    Bigwin123 Light Load Member

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    Thank you. I did not ignore your response. I can't do this. Beacuse of a mitigating factor. But can I make up the lack of boards. By parking up hill or on a curb? I only have 9 days left in the truck.
    Than taking three months leave. So the boss is trying to keep it rolling.
    I do appreciate everything, thanks
     
  4. Rideandrepair

    Rideandrepair Road Train Member

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    I still think you have a bad cap. I’ve had air pockets after refilling, plenty of times. Never taking more than a few hrs. To work out. Usually there’s a petcock on the highest point. Usually top radiator tube. Between thermostat and radiator. Running it with cap loose, vent open usually does the trick, but can take a long time. The air pockets should work themselves out, while running with everything tightened up, eventually. As they do, you’ll need to add coolant. But you have to have a good cap. It needs to vent itself when it cools down. Radiator caps work both ways not just one.I just filled mine a few days ago, it took 2 hrs, to top it good, at an idle. Never did get any coolant out of the bleeder. The few remaking pockets will work themselves out through the cap.Under pressure. Next time I check it after running a bit, it will be fine. Top it one last time. Once it’s right. I should never have to add any, if so there’s a problem somewhere.
     
    Last edited: Jan 25, 2020
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  5. Swine hauler

    Swine hauler Light Load Member

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    THIS...... Pay attention to every single thing he said and you will be fine.
     
  6. buddyd157

    buddyd157 Road Train Member

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    curbing might do, if it is high enough, it's just a matter of how high, compared to say, driving up several layers of boards.

    try it, got nothing to lose.
     
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  7. Bigwin123

    Bigwin123 Light Load Member

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    Thanks , I can buy the cap. He will reimburse me. I just have not place to put the boards. Do I ask for a special cap. Or just buy a new one and not tighten it all the way down?
     
  8. Bigwin123

    Bigwin123 Light Load Member

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    good Sunday morning drivers.
    I'm going to open up the raitator. Now and fill it to the cold full line. The truck has not been started yet this morning.
    Then I'm going to loosely. Put the cap back on and fire up the truck and bring it to temp. As ive mentioned in other post. My boss really does take care of this truck. Ill tell him. Its in the trucks best interest to do the boards and buy a cap. What I'm guessing he will do is. Bring me in. Have me idle ( on the boards) while I'm sleeping and check it the next morning. But I will get a new cap on Tuesday and will update on Wednesday. Thanks again!
     
  9. Bigwin123

    Bigwin123 Light Load Member

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    P.s that cap on the side. It is Souppsed to be three quarters of one turn, back from tight?
     
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  10. PE_T

    PE_T Road Train Member

    I asked this same question in the past. Short answer is you want to tighten it like any other normal cap.

    Tightness on Cap on Side of Coolant Reservoir?
     
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