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Heating AC and Engine Cooling
Thermostats
Cancer (zodiac sign)

What are signs of a bad thermostat?

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Wiki User
November 16, 2010 4:24AM

Two easy ways to tell are if the motor takes too long to warm up. This means the thermostat may be stuck open. If the motor gets hot and the top hose on the radiator is not warm the thermostat may be stuck closed.