Question about 1998 Mercury Sable
How do i check if thermostat in sable is bad
You can take the thermostat and place it into a clear pot. Pyrex pots or old coffee pots work well. You'll get the water hot and see if the thermostat opens. Take a piece of wire to position the thermostat so you can watch it while it's in the pot. That's one way. Another way is to run the engine until ithe guage shows that it's at operating temp. Check the temp of the upper and lower hoses. The lower hose may be hard to reach to check it. Both hoses should be about the same temp. I use an infra-red thermometer to check it this way. What exactly is your car doing? Evidently getting hot, but what are the symptoms?
Posted on Aug 23, 2008
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