corvette overheating

2003 CHEVROLET CORVETTE
83,000 MILES • V8 • 2WD • MANUAL
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JVETTE
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My vette started to overhead while going through a drive-thru. I checked the fluid, OK. So, I changed the thermostat. Still overheating. I changed the water pump and It's still overheating. What's the deal? I have a c5 2003 covette. 5.7L
Dec 9, 2010 at 7:49 PM
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DOCFIXIT
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Cooling fan comming on?
Dec 9, 2010 at 8:16 PM
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JVETTE
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Yes. It has two cooling fans and they are both on by 230 degrees.
Dec 9, 2010 at 8:18 PM
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DOCFIXIT
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O.K. overheating like boiling over ? temp 250+?
Dec 9, 2010 at 8:30 PM
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JVETTE
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yes! I have gotten it to 253. The car was running great! I already checked out all of the other fluids.
Dec 9, 2010 at 8:55 PM
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DOCFIXIT
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Well that leaves insufficant radiator function . See if RAD is cooler on bottom may need infared temp tool
Dec 9, 2010 at 9:01 PM