2007 Pete 387 with ISX NEED HELP

Discussion in 'Peterbilt Forum' started by J-Trucker87, Jun 19, 2012.

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  1. J-Trucker87

    J-Trucker87 Bobtail Member

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    Ok I am having problems when I pull a hill on CA, NV, UT, WY or anywhere this truck get hot is that right? What is the normal temp that water and oil should run at? I come up with what I may think it is tell me what I should do?
    1.Cracked head gasket
    2.EGR
    3.Clutch Fan
    4.Cooling %
    5.Water pump**
    6.Radiator**
    7.Friction on the clutch
    8.Thermostat
    9.Belt tensioner
    **Possible things that could be wrong.
    Well I hope someone can tell me what the normal temp should be?
    And if I put a bigger radiator would that help keep it cool or not?
     
    J-Trucker87, Jun 19, 2012
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  2. PeteVolvo tech

    PeteVolvo tech Bobtail Member

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    Is the fan comming on?
    Is your radiator plugged with bug guts or danilion fuzz?
    Coolant should run under 210F Oil should be Under 250F.
    Does your truck have a DPF(CM871) or not (CM870).
     
    PeteVolvo tech, Jun 22, 2012
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  3. truckmechanic

    truckmechanic Medium Load Member

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    When the engine is hot after a long pull shut the truck off and wait for the fine to lock then see if you can spin the fan at all should be completely locked up I find them slipping a lot and causing overheating problems all the time
     
    truckmechanic, Jun 22, 2012
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  4. J-Trucker87

    J-Trucker87 Bobtail Member

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    The fan works but never kicks in to high mode and the switch inside dose not make the fan work. I will take it to the shop Monday had codes pull and I have a alot of codes so I will see what going on. And after it cool down the fan it lock dose not move.
     
    J-Trucker87, Jun 23, 2012
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  5. J-Trucker87

    J-Trucker87 Bobtail Member

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    I am about to be in CA I have to go to LA area. To unload Sunday I see you are from 1000 plams what the rate at your shop?
     
    J-Trucker87, Jun 23, 2012
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  6. J-Trucker87

    J-Trucker87 Bobtail Member

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    Oh sorry for another post no truck is a 2007 no DPF thank god
     
    J-Trucker87, Jun 23, 2012
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  7. J-Trucker87

    J-Trucker87 Bobtail Member

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    Ok well just got my truck out of the shop and we replace a crack EGR cooler replace EGR cooler, Clutch Fan Belt tensioner, AC tensioner, rebuilt fan hub. But know when I start to drive fan will stay on water still runs 230 and oil 225 but if I make little pull that water gose up to 240 and light come on. Just trying to find out what is going on with this. I have ask people and the water should be at 190 to 200. So anyone have any ideas what is going on?
     
    J-Trucker87, Jun 30, 2012
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  8. larry2903

    larry2903 Heavy Load Member

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    How long has it been since you changed air filters? How bout thermostats? I also have an 07 ISX and mine runs around 190 on the water and 229 on oil. Air filter or thermostats could cause your problem.
     
    larry2903, Jul 1, 2012
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  9. J-Trucker87

    J-Trucker87 Bobtail Member

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    New air filter ok I am almost to Pete in Springfield mo. When I stop and idla truck for the night I wake up water at 230 still oil 215
     
    J-Trucker87, Jul 1, 2012
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  10. larry2903

    larry2903 Heavy Load Member

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    I think your egr valve may be stuck open. Do you have a check engine light?
     
    larry2903, Jul 1, 2012
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