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ITS EASY FIND YOUR TOP RADIATOR HOSE IT WILL RUN DOWN INTO UR BLOCK BY THE WATER PUMP. IT CONNECTS TO A NECK THERS 2 BOLTS HOLDING THE NECK ON TAKE THOSE OF THEN POP THE NECK OF THE BLOCK YOURE THERMOSTATE WILL BE SETTING RIGHT THERE UNDER IT

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9y ago
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Q: How do you change the thermostat on a 1993 GMC truck?
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