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follow the top radiator hose from the radiator to where it bolts to the motor, remove the 2 bolts holding the thermostat housing to the motor, remove the thermostat put in the new on and clean the old gasket sealer off the housing put new sealer and replace bolts

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โˆ™ 2006-10-28 02:27:06
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Q: Where is and how do you change the thermostat on at 1991 Ford Ranger?
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