Question about 1997 Saturn SL

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Coolant Guage Sensor location

Where is the coolant level sensor located on a 1997 SC2

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  • rwturner Jul 23, 2009

    Wow! Thanks a bunch. The repair shop wants about $200 to replace these. Now that I know where they are I can replace them myself using the other directions I read on the site



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There is a sensor on the driver's side of the head (temp) and a level sensor in the bottom of the coolant jug.

Posted on Jul 23, 2009


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How to replace coolant level sensor

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What does it mean when the 'low coolant level' warning light comes on after the car is running for a few minutes and stays on til the temp. gage moves beyond C (a few minutes in total). I have checked the...

The sensors get clogged with dirt and grime. Have to find a way to clean the sensor or replace it. As long as you have coolant and it goes off everything is fine. However you would never want to have a coolant leak and ignore the light. That would ruin your car.

Feb 17, 2011 | 1993 Saturn SC2

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Temperature gauge location

Removal & Installation To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • The coolant to just below the level of the engine coolant temperature (ECT) sensor
    • The air intake duct (1997-1998) gm_mv_ven_ect.gif

    • The ECT sensor electrical connector
    • The ECT sensor
To Install:
  1. Install or connect the following:
    • P/N 9985253 sealer or equivalent to the threads
    • The sensor
      1. Torque to: 15 ft. lbs. (20 Nm) (2001-2005)
      2. Torque to: 17 ft. lbs. (23 Nm) (1997-2000)
    • The ECT sensor electrical connector
    • The coolant
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Aug 17, 2010 | 2000 Oldsmobile Silhouette

1 Answer

Where is the coolant temperature sensor located ...

drivers side of engine under radiator hose. Easy replace 13mm deep socket . Be careful of wire harness.

May 20, 2010 | Cars & Trucks

1 Answer

Replaced water pump, alternator, radiator, crank sensor and no coolant leaks and car has antifreeze, but why is low coolant dashboard indicator light keep flashing on 97 saturn sl2

Inside the coolant reserve tank there is a sensor for coolant level.

Over time,this sensor can get stick.

Inspect the coolant reserve tank for crack or leak.

Locate the coolant level switch/sensor and soak it in clean warm water.

Make sure it's free to move up and down the float path.

Top off the coolant tank with coolant only.

Dec 02, 2009 | 1997 Saturn SL

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I have just replaced the water pump and thermostat for my 1997 Saturn SC2. I was running the engine (heater on full heat) - the heater was putting out heat and the coolant level was at it's full mark, but...

It sounds as if you may have an air pocket in the system, alot of your saturn and gm vehicles have air bleed on or near the thermostat housing. As you are filling the system you will need to have this bleeder open until a steady stream of coolant comes out.

Oct 07, 2009 | 1997 Saturn SC

1 Answer

On a 93 Saturn SC2, the Coolant light on the dash is blinking while the temp gauge is fine and the overflow tank is full. Where is the sensor for this?

the sensor for the coolant level should be attached right to the overflow tank... there should be a harness with wires coming out of the tank

Aug 10, 2009 | 1993 Saturn SC2

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My 1997 olds aurora doesnt overheat while idiling just while driving says low coolant ive changed thermosat hoses what could this be

The coolant level sensor in the coolnat reservior is shorted out . The coolant level when driving is circulating fine . The coolant must be going just past the sensor and triggering it off.

Apr 11, 2009 | 1997 Oldsmobile Aurora

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