Question about 1992 Lexus Es 300

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Just replaced radiator, but temp. gauge is rising to the red line

Had replaced radiator due to car running hot. One month later it's trying to overheat again. I drove two miles down the road, and the gauge was rising to hot.

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  • maurice kurisu May 11, 2010

    Are you sure it's running hot? When the gauge is at it's hottest, Open the hood the engine compartment will feel hot if it is overheating it will feel really hot. If it does not feel really hot it might be the gauge or sensor.

  • yadayada
    yadayada May 11, 2010

    is the water pump and thermostat ok?

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Preform a pressurized collant flush , take it to a raidior shop to have it done , they will clean and blow out all blockages that might cause your car to over heat. also check to make sure you dont have air pockets in your anit freeze, if you do you need to bleed the system out after you have it flushed , your car should have a blead valve to let out the axcess air ,if not drive it down the road with the cooaint overflow cap off , not the radiator but you need to flush out the system first , add new anti freeze then bleed out all air pockets, hope this helps

Posted on Jul 24, 2009

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Could be a defective sending unit on the engin block if the water pump and thermostat are OK.

Posted on Jul 24, 2009

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Check cooling fan is working.If it is then change the therostat

Posted on Jul 24, 2009

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What is bleeding the radiator?

Posted on Feb 12, 2012

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