Question about 2000 Saturn SL

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2000 Saturn SL 1 I changed the coolant temperature sensor and the thermostat. 3 days later I replaced the water pump. I then replaced the radiator. relaced the water pump gasket. I then replaced the water pump and gasket again. The water light is still coming on? What do I do now. I was told the water pump was replaced in February 2010 and I was told in December 2010 that it had the original water pump from Saturn????? I am tired of being taken advantage of. Please help

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  • Anonymous Mar 21, 2014

    how to change water pump

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May sound odd but try disconnecting the positive lead from your battery for about 60 seconds. Reconnect it then start your car. This should clear the error codes

Posted on Jan 10, 2011

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Posted on Jan 02, 2017

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2000 daewoo leganza is overheating, leaking anti freeze, and water. what is wrong?


sound like thermostat sticking close.replace thermostat and radiator pressure cap.if already done.you could have faulty water pump.if engine overheating at long slow traffic line or setting at a stand still.the engine cooling fans should be running, check and see if cooling fans running if not,check cooling fans fuses and relays.if all is good,hot wire make sure coolings fans okay.if all is good,code scan vechicle for faulty engine coolant temperature sensor and ecm problems.you need a code scanner where you can check live data check see if coolant temperature sensor reading correctly if engine coolant temperature is 190 degrees the coolant sensor. the scanner suppose to show 190 degrees in temperature if not it reads 80 or 90 degrees the engine coolant temperature sensor is faulty need replacing.if all is good check engine oil if look like milk shake blow head gasket will cause over heating.to be on the safe side i would replace thermostat and radiator pressure cap first.to make sure engine coolant circulating through radiator and engine block.

Nov 15, 2011 | 2000 Daewoo Leganza

1 Answer

I have a 2000 saturn sl1, and i seem to be putting coolant in my car at least 2 times a week. It also overheats and when it does, it comes out of the top of the part that hold the coolant. Could this be my...


If it is coming out of the top of the radiator, you are getting back pressure. First, make sure there are not puddles under the engine where the water pump is at. If so, you will need to replace the water pump and gasket; as well as the thermostat. It sounds as though the thermostat is stuck closed - replace it (if no leaks from water pump) and see if this fixes the issue.
Also, start the car (radiator full) and let run to operating temperature. Feel the top radiator hose - if it is not hot, but the engine is, then the thermostat IS stuck closed. Be sure to ask for a thermostat housing gasket when purchasing the thermostat, as they do not always come together.
Please let me know if you need further assistance.
carsandcomps

Aug 20, 2011 | 2000 Saturn SL

1 Answer

I have a 2000 1500 chevy express van and i changed the radiator and now it overheats


I take it you have checked these possibilities: 1) coolant is good mixture and at sufficient level. (specific gravity OK and radiator / resevoir filled) 2) Radiator / cooling fan kicks on after reaching operating temperature. 3) Water pump is circulting coolant ( observe coolant moving in radiator, feel top hose for fluid movement with engine running) ??

Other than that, I would suggest replacing the thermostat and radiator cap. (recommended anyway when a radiator is replaced.) Also, did you flush your cooling system out when you did the replacement?

Please vote if this helped! Thanks, Mike

Jun 12, 2011 | 2000 Chevrolet Express Cargo

1 Answer

My 2000 Saturn SL2 is overheating. At first it would overheat when sitting idle and then once speed reached 35+mph it would cool off, but now it gets hot and stays. What is causing this?


Well, the overheating at an idle would normally be caused by your cooling fan not engaging. I would first check to see if you fan is working by turning on your a/c (this will override the fan sensor and turn it on before it gets above operating temperature). If it doesn't come on you should check your AUX. Fan Relay. If thats ok, you probably need a new fan motor but first replace your coolant temp. sensor as this is an inexpensive parts and may save you quite a bit of money (also your vehicle may be running at the normal temperature but your temp sensor may be sending a signal telling you it's hot). This will explain why it was overheating at an idle. As far as it overheating while driving, you should first check to see if your water pump is leaking and make sure your belt is intact. If the water pump pulley is not spinning your belt will be glossy from excessive heat from friction. If your water pump is good and you can spin the pulley by hand, you should then consider when the last time you replaced the thermostat as it may be stuck closed. also your radiator may have some blockages in it so I would replace the thermostat, drain the coolant by removing the lower hose and spray a hose into the radiator until the water comes out looking pretty clear. I hope this helps you figure this out.

Aug 16, 2010 | 2000 Saturn SL

1 Answer

Car overheating


Most cars have a thermostat on the return to the engine block. It is designed to open and close at a certain temperature range. This is what helps to regulate the water temperature circulating through your engine. These thermostat valves get old, corrosion can build on them, or the coil that's responsible for opening it at the designed temperature quits opening all the way or all together.

Things to check for in your particular vehicle type:

1) Coolant Temperature Sensor
2) Radiator (Make sure have the right mixture of water to coolant ratio)
3) Engine fan (cools water in the radiator)
4) Thermostat (opens and closes allowing water to circulate through engine)
5) Of course, the water pump which you said tested fine.

I can be of more assistance if necessary.

Apr 23, 2009 | 2000 Hyundai Accent

3 Answers

97 saturn sl2 temp light flashing and low coolant light flashing what could be the problem ? coolant is full and the heat works.


If the temp gauge is reading normal, the lights are flashing, and the coolant level is full, the level sensor in the coolant bottle is the problem. I'm a service consultant for a Saturn dealer and I've run across this many times.

Apr 17, 2009 | 1997 Saturn SL

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