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Low coolant level light blinks

Coolant level is good, no sensor in the over flow tank. where is the sensor

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1996 PONTIAC GRAND AM LOW COOLENT LIGHT ON


the lower coolant sensor is inside the over flow bottle11_26_2012_10_52_50_pm.png

Nov 26, 2012 | 1996 Pontiac Grand Am

2 Answers

My low coolant light flashes on and off then it will stay on.I have checked my coolant level it is good what could be the problem? 1999 Buick regal


Make sure you are checking the coolant level in the radiator as well as in the overflow tank. The sensor is located in the radiator, so if the level in the overflow tank is good, it could still be low in the radiator.

Dec 06, 2010 | 1999 Buick Regal

2 Answers

Low coolant light blinks and it seems that there is enough coolant


There is a coolant level sensor either in the coolant tank reservoir or attached to the radiator that is malfunctioning. If coolant level is ok then most likely the sensor is going bad.

Nov 22, 2010 | 2000 Buick Century

1 Answer

The low coolant light continues to blink on and off during driving. Any suggestions?


Check your radiator fluid level and the fluid level in the Overflow tank. Make sure the radiator is full and the over flow bottle is filled to the full mark. After doing this if the light continues you will need to locate and replace the fluid sensors.

Aug 08, 2010 | 1998 Oldsmobile Intrigue

3 Answers

My low coolant light comes on and there is plenty of fluid in the radiator. why?


The sensor that detects if the coolant is at a low level may be bad. It will be in the bottom of the coolant overflow tank. Some are screwed into the side or on the bottom.

Jul 14, 2010 | 1997 Pontiac Grand Prix

2 Answers

Low Coolant light


Sounds like your sensor unit in your coolant overflow tank. Like nearly everything man made that floats, they will eventually leak (become water logged). This is a relatively cheap fix, as long as the light is coming on and the coolant level in the overflow tank is between the MIN and MAX lines in the overflow tank. This means that the float in there is dropping below the actual fluid level (watter logged) and you need to get a replacement sensor unit (aka sending unit) for the overflow tank.

Otherwise, if the coolant level in the overflow tank IS BELOW the MIN level line on the tank, then you are losing coolant somewhere and that is when things start to get expensive (might be a radiator problem, head gasket, cylinder head, heater core, etc).

Jul 19, 2009 | 1997 Pontiac Grand Prix

3 Answers

DASH LIGHT


Coolant level is low

Jun 19, 2009 | 1990 Lexus LS 400

1 Answer

Low level coolant light still flashing after filling up tank


i would replace the sensor located in over flow/fill tank its a common problem

Mar 27, 2009 | 1993 Saturn SL2

1 Answer

'low coolant"


Inside the surge tank is a float that turns on the "low coolant" light. As the float gets gummed up it gets stuck in the low position. I've had good luck in cleaning the surge tank out really well and ungummed the float so it slides up and down like it should.

Jul 15, 2008 | 1997 Chevrolet Lumina

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