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Posted on Aug 21, 2011
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My 2002 jeep liberty continues to overheat I've changed the thermostat,fan,radiator cap what else could it be

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  • Expert 76 Answers
  • Posted on Aug 21, 2011
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Joined: Aug 20, 2011
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Most likely the water pump.

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2002 jeep liberty overheating

no engine size stated, so impossible to be detailed
and anonymaous, too boot.
i bet you already asked and got an answer , on older post.
why do that that to expert help./?
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so the RAD is going to be good with leaks that it?
it has to hold pressure or it will get too hot,
14psi pressure,
I take my IR heat gun and check all rad tubes
top and bottom
and find, 3 are not 50 degree,drop end to end read same
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something smokes, what?
it dont overheat parked, what is outdoor temp, 75f like here or 0F?
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I've herd that on high mileage vehicles that the veins of the water pump can actually erode away. Maybe cheap metal or old coolant or wrong coolant.
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2002 Jeep Liberty started to overheat after changing coolant hoses and refilling system.Should I replace the Thermostat?

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Jeep Overheating?

I would suggest you have the radiator and cooling system pressure tested . .another option would be to get a new radiator cap and try that. If you want to do a quick test for the radiator cap .. try loosening it to the first notch and see if your overheating problem subsides ..
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