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kw w900l isx400 blowing heater or top radiator hose needhelp please.

Discussion in 'Kenworth Forum' started by woodsplitter, Jan 26, 2014.

Page 2 of 2
  1. Jan 26, 2014 #11
    Edgar2191

    Edgar2191 Light Load Member

    178
    33
    Apr 9, 2013
    0
    My isx runs at 190 all the time. The fan doesn't start to 210 and get a warning light at 225 .I pull over weight loads never shuts of.
     
    Edgar2191, Jan 26, 2014
    Edgar2191, Jan 26, 2014
    #11
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  3. Jan 26, 2014 #12
    WorldofTransportation

    WorldofTransportation Heavy Load Member

    702
    577
    Sep 20, 2009
    Your mother
    0
    Cummins guy said get to a shop and have it checked... could be a lot of things.. He said get ready to be a parts changer...

    In other words it is going to be trial and error .. said start cheap..
     
    WorldofTransportation, Jan 26, 2014
    WorldofTransportation, Jan 26, 2014
    #12
    woodsplitter Thanks this.
  4. Jan 30, 2014 #13
    woodsplitter

    woodsplitter Bobtail Member

    16
    2
    Aug 30, 2012
    all over the US
    0
    Thanks for all the help, I've already replaced water pump, fan sensor a few months back. The gauge will never go above 200- 205°. That's when buzzer goes off. I guess I'll start with thermostat or thermostats.I've eliminated the most expensive with w-pump and that fan sensor was about 400 bucks.when the truck was bought new/ used with almost a million miles on her. The fan was straight wired and ran all the time killing about 70hp KW said when they fixed that. I've had bigger problems than the overheating problem since I posted posted that's why it took me so long to reply, again thanks for all the input....
     
    woodsplitter, Jan 30, 2014
    woodsplitter, Jan 30, 2014
    #13
  5. Jan 30, 2014 #14
    goforce

    goforce Light Load Member

    168
    76
    Apr 12, 2007
    South, Ga
    0
    There are lots of things that can cause the problem that you are describing. Weak water pump no! They work or they do not work. Leak yes.
    The first thing that a good tech will do is check for exhaust in the coolant system. Indicating leaking head gasket. Exhaust in the cooling system builds pressure to blow hoses radiator leaks etc,. Hope that you find your problem without just swapping parts.

    Let us know what you find....

    Alan
     
    goforce, Jan 30, 2014
    goforce, Jan 30, 2014
    #14
  7. Oct 9, 2014 #15
    Mykhailo

    Mykhailo Bobtail Member

    12
    2
    Jul 14, 2013
    0
    I think you have high pressure in coolant system, it can be from leaking head gasket or cracked head.
     
    Mykhailo, Oct 9, 2014
    Mykhailo, Oct 9, 2014
    #15
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