67 Ford Mustang

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  #1  
Old 03-22-05, 10:10 AM
dorinda57
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67 Ford Mustang

Ive got a 1967 Ford Mustang 289,V8 cly. Its having an over heating problem, im not sure if the thermosat is bad or what the problem is. I replaced the old raditor and the thermosat and housing last summer. It has worked fine up until last month. So im not sure where to start Any suggestions.

Thank you for your time

D57
 
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Old 03-22-05, 12:51 PM
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Location: Kansas City, Missouri.
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Lets assume that your not losing water due to a leak.

Aside from another defective stat so soon, you might consider your belt.

Check that the belt is tightened to specs, and not loose.

The old style v-belts could last a long time, and they could become glazed. When they get glazed, they turn the pulleys, but at high speeds, they slip. You would probably see an undercharged battery condition along with the heat problem, since the alternator would be slipping too. To correct, replace the belt and check for oil drips that may strike the belt.
 
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Old 03-22-05, 03:17 PM
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Has the overheating been verified by a thermometer in the radiator or are you going by the 1967 gauge or light which is bound to be innaccurate after all those years?
 
  #4  
Old 03-28-05, 11:52 AM
dorinda57
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67 Ford Mustang

The belt tight,no leaks any where,oil was just changed and full,raditor okay and full. And the guage is working properly. It heats up after running for about 15 - 20 minutes.
Oddly the engine is not running ruff,could it be the thermostat is stuck or the water pump is dead ? Since the othr things check out okay ?

D57
 
  #5  
Old 03-28-05, 12:17 PM
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When the engine overheats, the radiator cap will allow the water to boil out. However, you say your not losing water. It also sounds like your only symptom is the gauge reading hot. If so, that could be explained by a winter thermostat or an inaccurate gauge.
 
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