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The coolant temp sensor

Under hood, driver side, upper engine area, mounted on rear of cylinder head

Fan relay

Under hood, driver side, front engine area, rear side of battery, mounted on fenderwell

the coolant temp. sensor is right where the thermostat housing is. you have to remove the air cleaner and hose to see it. i just replace mine on a 1994 z/24 with a 3.1

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Q: Where is the temperature sending unit for the cooling fan located on a 3.1 liter on a 94 Chevy Cavalier?
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