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2000 Ford Mustang Question: Turned heat on, blew cold air, looked at temp and it was red line.

 

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mosbados, Anacortes, WA, April 17, 2012, 08:39
 Rookie

Engine started making noises like a large ball bearing in a tin can, I stopped. Steam pouring out the passenger side of the car (outside), opened hood, radiator was 1/2 cup low, reserve 1/2 full. Little bubbles were fizzing where the intake manifold meets the engine block. Once it had cooled, it did not make any noise and ran fine. A mile up the road, the temp was almost to red line again. No water spray on the engine, oil is clear. The radiator has never been flushed that I know of....where do I start? Has never done this or anything else before.

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  • Answer #1

    Greg's Orange Auto (13428 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 17, 2012, 13:00
     Master

    POSSSIBLE STUCK CLOSED THEMOSTAT WHICH IS BUILDING PRESSURE IN ENGINE CAUSING INTAKE MANIFOLD TO LEAK UNDER EXTREME PRESSURE.

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    mosbados, April 17, 2012, 14:12
     Rookie

    Thanks for your reply. So, now does that mean the intake manifold needs to be replaced? There is a tiny hole - maybe a weak spot - and when the pressure built up a little piece blew out? Does the thermostat need to be replaced also...I had it replaced two years ago.

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    globalhelper, April 18, 2012, 05:12
     Master

    ck it out in boiling water and yes intake leak will need to be repaired also

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    mosbados, June 13, 2012, 14:15
     Rookie

    I had the intake manifold gasket replaced. It's still leaking from somewhere because when I check the radiator level each morning (because it got hot again after that), I have to put about 1 cup of liquid into it. I can't tell if the leak is by the radiator or under where the hood meets the windshield wipers. There is no moisture on the floor inside; however, I noticed yesterday when I stopped, but still had the car running, there was a bit of "fog" on the inside passenger front window...now what, any suggestions? Thanks!

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