If your ion has a bad engine temp sensor the radiator fan won t know to come on because the ecu won t know how hot the engine is.
Saturn radiator fan sensor location.
Stant coolant temperature sensor which can be found as original equipment on most major nameplates is the perfect companion to the stant thermostat line ensuring that.
When the radiator fan does not work this is a serious problem.
The saturn lineup includes the s series the l series vue ion sky and aura.
The engine coolant temperature reaches 106 c 223 f or more.
Different brands and car manufacturers have a different ways of placing the coolant temperature sensor depending on the car design.
The cooling fan comes on only when i turn on the a c.
The a c refrigerant pressure sensor the vehicle speed sensor vss the pcm controls the cooling fan by grounding the cooling fan control circuit which turns on the cooling fan relay.
Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.
Your engine temperature sensor is responsible for relaying your engine temp to the ecu.
Once the temp gets so hot the ecu commands the radiator fan to come on.
Underneath the hood of saturn vehicles the coolant temperature sensor helps monitor and regulate the engine temperature.
This video is not meant to be a definitive how to always consult a professional repair manual before.
Typically the coolant temperature sensor will be located in the coolant pipe.
In most vehicles this is present behind the right cylinder head below the air intake pipe.
However over time several things can go wrong with it.
The saturn brand was created by general motors and discontinued in 2010.
The radiator fan on a saturn should give you years of trouble free performance.
Saturn s series cooling fan troubleshooting disclaimer.
When the correct parameters are met a temperature switch or.
The cooling fan relay is the relay that controls the engine s cooling fans.
However its lineup continues to be sold privately in the retail market.
Saturn l series 2000 engine coolant temperature sensor by stant.
It does not turn on automatically like it used to.
I was told the sensor has gone bad.
Location of the coolant temperature sensor.
The cooling fan relay will be commanded on when the following conditions are met.
The fan helps cool off the radiator which acts as a heat sink drawing heat away from the engine.