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Q: Need to possibly replace a thermostat.

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Car started overheating all of a sudden. Possibly just needs a thermostat.

It is possible that you have a stuck closed thermostat. I would make sure there is coolant in the radiator first. You may need to take the upper radiator hose and poor some coolant into the hose and see if it is full. Don’t believe the coolant that is in the fill tank. The tank may be stopped up. I would recommend taking it to a technician that can determine the problem if there is no fluid in the radiator.

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