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radiator hose

Discussion in 'Chevy C/K Truck Forum' started by pychokenny, May 5, 2011.

  1. pychokenny

    pychokenny Rockstar 100 Posts

    I drive a 1994 chevy k1500 wit a 350 I replaced my upper radiator hose cause it collapsed but 2 days later the new hose collapsed now Im confused.

    I bought the truck used back n Oct. 2010.


    Do u thank it could b the heads?
     
  2. stephan

    stephan Rockstar 4 Years 5000 Posts

    I'm guessing your upper rad hose is collapsing when your engine is cooling down right? This is most likely caused from a defective radiator cap or crud build up around the rad neck or cap. The cap is not letting coolant flow back into the rad & engine from the coolant recovery bottle as it cools down & is creating a vacuum instead & colapsing the hose.

    **edit.. I thought of a couple other possibilities Kenny, though they're not too likely unless the previous owner neglected the maintenance. The hose that runs from the radiator neck to the reservoir bottle could be plugged & won't let the coolant exchange back & forth, also the cap on the reservoir bottle might not be venting.
     
    Last edited: May 6, 2011
  3. Blacksheep1

    Blacksheep1 Rockstar 3 Years 500 Posts

    Sounds right on to me to....
     
  4. pychokenny

    pychokenny Rockstar 100 Posts

    it is collapsing when the motor is running 2 mins after i start it up
     
  5. Crispyt

    Crispyt Rockstar 100 Posts

    Try replacing your radator cap, and thermostat there not much and it shouldn't cost more than $15-20 for both of them. Also try flushing your cooling system, there could be a block somewhere in it. Make sure that there isn't a lot of air in the system and that you have enough coolant in it too.
     

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