1994 FORD RANGER
160,000 MILES
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RYANREESE
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a short while after i replaced my fan clutch and water pump my thermostat would go from cold to normal while driving. i have replaced the thermostat twice. what else could it be?
Mar 2, 2013 at 8:18 PM
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ASEMASTER6371
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sounds normal. what is your concern??

Roy
Mar 2, 2013 at 8:19 PM
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RYANREESE
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it goes back and forth from cold to normal about every minute
Mar 2, 2013 at 8:36 PM
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ASEMASTER6371
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ok, thats new information.

did it overheat before you changed the thermostat?? if it did, you may have damaged the head gaskets and what you see is air in the system.

Roy
Mar 2, 2013 at 8:38 PM
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RYANREESE
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no, i noticed water coming out weep hole of water pump but i never lost fluid or overheated.
Mar 2, 2013 at 8:43 PM
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ASEMASTER6371
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ok, make sure there is no air in the system, what temp thermostat did you use??

Roy
Mar 2, 2013 at 9:00 PM
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RYANREESE
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195


Mar 2, 2013 at 9:05 PM
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ASEMASTER6371
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just sounds like an air block.

Roy
Mar 2, 2013 at 9:07 PM