Question about 2005 Chevrolet TrailBlazer
The engine coolant sensor , should be on top of the intake manifold, or close to the thermostat housing, you drain down the radiator enough to where it is about 3-4 inches below the inside neck of the radiator, then close off radiator drain valve, then locate the coolant temperature switch, unplug rhe wire connector to it, and then take a 3/8 drive ratchet, and a 6 - 8" extension and a coolant temperaure sensor socket, and remove the sensor, take the new sensor, and wrap some white teflon tape around the threads of the new sensor, that is if it didn't come with a sealer already on the threads, then screw in the sensor, tightened it up good and snug, re connect the wire connection, re fill the radiator back up, and then start the vehicle to make sure that the sensor is not leaking, hope that this information has helped you, and thank you for your question.
Posted on Apr 09, 2011
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Posted on Jan 02, 2017
SOURCE: changing a engine coolant sensor
disconnect the electrical connector that goes to the sensor make sure the engine has cooled put a deep well socket or a box wrench on the sensor turn it out and install the new one, put teflon sealant paste on the middle two threads
Posted on Jun 25, 2009
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