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2002 4.6 overheating issue

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Old Dec 1, 2009 | 04:37 AM
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2002 4.6 overheating issue

I have a 2002 f-150 supercrew, 4.6 with 54000 miles. When i am in traffic or waiting at a light, my temperature will start to climb. Once i am going down the road again, the temp drops back down to normal. It only climbs in temp when i am stopped for at least 30 seconds to a minute or more at a time. I can be driving down the highway for hours and never have a problem with it running hot or overheating. Any ideas what could be my problem?
 
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Old Dec 1, 2009 | 06:21 AM
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Also, when i have the a/c on and driving down the road, it blows cold. Once i stop at a light and the temp starts to rise, it starts to blow hot air until i continue down the road and the temp gauge goes back to normal operating temp, and the a/c will blow cold again.
 
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Old Dec 1, 2009 | 06:52 AM
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Sounds like a defective fan clutch,or a partially blocked radiator surface.
JL
 
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Old Dec 2, 2009 | 09:44 AM
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Ok thanks a lot
 
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Old Dec 2, 2009 | 09:38 PM
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bad fan clutch or plugged radiator outside sounds like a good bet to me also.
 
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