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Thermostat Replaced -- Temp Fluctuating
Engine seemed to be running cool, so I replaced the thermostat. Now, the temp gauge will slowly move back and forth between about 190 and 150.
Is the new thermostat I put in bad? Opening and closing too slowly? Or is there another issue? Prior to replacing thermostat, engine ran consistently at about 155-160. 1999 Suburban 5.7 |
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