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  1. #1

    Default overheating problem

    Need help
    If I cleaned the manifolds, replacing water pump and impeller (brand new), looking that I have pressure in the houses and !! keeps overheating my vortec 4.3 engine 2007…..what can I do ?
    Did I need to look for cracks? My oil is clean…. No mix

  2. #2
    Join Date
    Apr 2016
    Location
    barnegat NJ
    Posts
    2,707

    Default Re: overheating problem

    how many jcmg24 can there be??

  3. #3

    Default Re: overheating problem

    I placed new thermostat . engine fresh water cooled. Need help ….it really sound good my engine, in low speed no problem, high speed immediately overheat . I’m asking because I am thinking to take a part the engine….Yesterday came from the shop with my aluminum head engine fixed…. And still the problem
    Last edited by jcmg24; 06-08-2016 at 01:40 PM.

  4. #4
    Join Date
    Sep 2008
    Location
    Maryland - USA
    Posts
    6,759

    Default Re: overheating problem

    exhaust elbows clogged...???especially if you use the engine in the brine...

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