Question about 2007 Jeep Commander Rocky Mountain

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Why after replacing my radiator due to a crackk, why now dose it overheaqt right away ? replacede thermostat and radiator and bled alot of air out??

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  • Jeep Master
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Possibilites 1, you still have air in system, 2, You put the thermostat in backwards.. 3. new thermostat is not functing properly.. remove it and check in a pot of boiling water.. you should be able to see it open just as the water boils. 4.Does it have electric fans? Are they running ? 5. Possibly a bad water pump. 6. possibilty a loose fan belt possiblty 7. Bad fan clutch if you have one. 8. A very obscure one.. The raditor hose collapses from the water pump suction.. that is why the hoses sometime have a "spring" in them.. Most likely.. Air in system or Thermostat problem..

Posted on May 15, 2014

  • Jake Sysk May 15, 2014

    Did you take the shipping plugs out of the new radiator?

  • desertracer May 15, 2014

    WOW, that is so simple i never even thought of it.. and i am the one always preaching "Check the ovious stuff first"

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Is it real quick to overheat? if it is then you still have air in the system

Posted on May 15, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Have replaced radiator. Have bled cooling system.

blend doors recalibrate,the stop point connected to the actuator breaks.

Posted on Dec 04, 2009

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