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hey there this is Steve im a Saturn mechanic in st.catharines on.anyway to answer your question the coolant temp sensor is in the head under the upper rad hose,if you want a tip make sure the connector has no signs of green corosion,and when u change the sensor inspect the sensor if it is bad than it will be discoloured or have a crack in it. make sure you get a factory sensor because they are now updated and it will be made of brass not plastic,also don't worry about the way you unplugged it,it doesn't matter what way it plugs in its only a thermistor,by the way the 97's were bad for fuel pumps.

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13y ago

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