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How to replace a coolant sensor on a 1999 saturn sl1

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  • Saturn Master
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Partstore will xplain location. It unscrews like a sparkplug. Cleanit first then reinstall..may work. Only if the heatr element on sensor is bad then replace. Theres a test for it

Posted on Dec 04, 2016

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  • Saturn Master
  • 3,371 Answers

Found this info for removal.

how to replace a coolant sensor on a 1999 saturn s - replace-coolant-sensor-1999-saturn-sl1-osju3jyrnymnvvv3fl51m10w-1-0.jpg



replace-coolant-sensor-1999-saturn-sl1-osju3jyrnymnvvv3fl51m10w-1-5.jpg

Posted on Dec 04, 2016

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: How do you replace water pump in 1999 saturn sl1?

View the video on You Tube by Richpin06a. It was very helpful. I don't do many repairs on cars, but with the help of this video, I replaced the waterpump on my Saturn last weekend. It was easy, and I didn't have to remove the engine.

Posted on Dec 31, 2008

  • 3 Answers

SOURCE: coolant temperature sensor on a saturn 2002 sl1. where is it loca

The coolant temp sensor is on the driver's side of the engine in the head. If you remove the lid to the airbox and lift the intake tube, you will be able to reach it easily. To remove the connector, you just squeeze it. Then use a socket or a wrench to remove the coolant temp sensor. You will lose some coolant so be ready with the new one or drain the antifreeze before you start.

Posted on Jan 09, 2009

  • 316 Answers

SOURCE: 1999 Saturn SL1

Your "transmission high input sensor" is also known as a "neutral safety switch". It depends on you trans (auto, or standard) as to the location. Either way, it's a simple and inexpensive repair.

Posted on Apr 23, 2009

Rickygittins
  • 715 Answers

SOURCE: 1999 Saturn SL1 manual...shifter cable bushing

Hello:
NAPA sells the replacement bushing ($20) better than Saturns $200 to replace both cables.
Good luck

Posted on Jul 29, 2009

  • 2841 Answers

SOURCE: Don't know what warning light means

What exactly does the warning light look like? It is probably the transmission warning light. The transmission uses the radiator to cool the transmission fluid. You need to have your cooling system serviced on a 10 year old car. Drain, flush, fresh coolant, new thermostat. A full service. Keep driving and you may end up with a transmission repair. Good luck.

Posted on Nov 18, 2009

Testimonial: "Haven't actually been to the garage yet to have this advice tried and tested, but will take it seriously and have it done ASAP. Thank you."

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1 Answer

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When coolant is pressed out, also check the gaskets special the head gasket.

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You've actually diagnosed your own problem. It essentially is flooded and that is because your Engine Coolant Temperature Sensor (ECTS) is bad and telling the PCM that the engine is -40F (40 degrees below zero).

Replace the stock plastic one which cracks with a new brass one found at Autozone or the like. It's a 10 minute job and requires a 13MM deep well socket.

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1 Answer

91 SL1 problem


the sensor is located at the rear side of cylinder head between transmission and engine under the thermostat hosing but make sure to have some one aply direct power to fan to se if fan still goos if not replace it, and the sensor all what you have to do to test it start the car unplug the sensor and if the fan come on then replace the sensor i will recomend to replace thermostat also and make sure is full of coolant

May 30, 2008 | 1999 Saturn SL

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