Question about Chevrolet Lumina

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I got home today after about a half hour drive and noticed a rumbling sound coming from my car. Opened the hood and the enging coolant was boiling (only at the very bottom) and it was about 4 inches above th hot line. The temperature gauge, however was only at the half mark. I noticed the radiator cap was only closed 3/4 of the way and immediately tightened it. I have yet to drive th car just yet but do you think I might have fied the propblem with the cap?

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  • mbaldwin82 Jun 25, 2009

    although i may have fixed the bubbling, i have noticed that the coolant is dirty and brown, so ill probably still need the coolant flushed any way right?

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YES BECAUSE THE SYSTEM NEEDS TO BE PRESSUREIZED TO WORK.

Posted on Jun 25, 2009

  • STEVE LESTER
    STEVE LESTER Jun 25, 2009

    yes change the coolant,also check the cap to make sure the rubber seal is still good.it would be a good idea to change the thermostat and cap also.hope this helps

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