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Everyone should have a manual for their vehicle, and the library should have a professional shop manual available, for FREE, in the reference section(make copies of the correct sections) read up and fix it like a PRO! To paraphrase what Dave just said, " I don't know, get a book."
My part of this answer is this..... This location is described as being on the drivers side of the cylinder block. The Haynes manual shows two similar devices. One with a single wire the other with two wires. The single wire sensor in the Haynes picture is located directly next to the water hose on the top of the block on the drivers side.
The two wire sensor is about four inches from the same hose towards the cab as shown in the picture.
Make special note of this: On 1991-95 Saturn models, two coolant temperature sensors are utilized. Be careful not to confuse the single-wired coolant temperature sender used by the instrument cluster temperature gauge (which is covered in Section 2) with the 2-wired sensor used by the PCM. On 1996-98 Saturn models, only one 2-wired sensor is used to perform both functions Be certain the engine is cold before removal. The coolant is in direct contact with the sensor and will begin to pour out when the sensor is removed. You may notice that there is a white cap where the wires go in the top of the two wire sensor. DO NOT REMOVE THE WHITE CAP! This is a strain relief and will weaken the connection if removed.
Take a flat screw driver and approach from the top. Get between the block and the sensor and it will pop off nicely. Then use a deep well socket to remove. When replacing, use pipe dope or Teflon tape on the threads. Do not over tighten, when the unit begins to bind, your done. You will see in the sensor and on the wire connector that it is keyed. There is no polarity, so don't worry about witch way it goes on. Lightly place the connector on to the sensor and slightly twist until you feel it fall into place. Then push in to get the snap.
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What is the problem if a 96' Saturn SL1 has power fluctuations making the on-board computer reset and cause a failed inspection?
Bad Engine Coolant Temperature SEnsor.
What would cause 1998 Saturn sl1 coolant light to blink?
Either coolant is low or the sensor in the reservoir is stuck with dirt. Clean the reservoir with soap and water
Where is the speed sensor on a 1999 Saturn SL1?
The speed sensor on a 1999 Saturn SL1 is under the transmission. It is below the fittings for the transmission cooler lines.
1999 Saturn sl1 will not start when temp is cold otherwise it's fine?
Has the engine coolant temp sensor ever been changed.
If the engine coolant sensor andconnector were replaced on a 1999 Saturn sl1 why is the fan motor not working?
bad fan or bad fan relay
Why might the electric fan and AC not work on my 1995 Saturn SL1?
You probably have a bad coolant temperature switch, this are fairly cheap and easy to install.
Why would cause the rpm of a Saturn sl1 to hold at about 1500 until after the car comes to a complete stop?
Dirty and stuck Idle Air Control Valve. Clean it and the throttle body. Also replace the Engine Coolant Temperature sensor
Where is the sensor to turn on the fan on a 1997 sl1?
The sensor is the Engine Coolant Temperature Sensor, located under the EGR, on the side of the engine between the engine and the battery. Brass sensors can be bought at the dealer.
Where on a 1997 Saturn SL1 is the transmission fluid temperature sensor?
It's right next to the transmission oil filter. It has a two-wire connector plugged into it. NOTE: if you have a manual transmission, there is no trans fluid temperature sensor.
Where is the transmission fluid temperature sensor located on a 99 Saturn SL1?
The tft sensor is located right beside the trans. external filter. The breather box needs to be removed for access to it
Where is the oil pressure sending unit on a 95 Saturn sl1?
On the 1995 Saturn SL1 The oil pressure sending unit is the sensor closest to the alternator. The unit is on the back of the block.
Where is oxygen sensor bank 1 sensor 2 located on a 2001 Saturn SL1?
behind the catalytic converter
