CHECK COOLANT OVER FLOW RESERVOIR MAKE SURE IT HAS COOLANT IF YES.YOU COULD HAVE A FAULTY COOLANT LEVEL SENSOR IN THE COOLANT OVERFLOW RESERVOIR. CHECK TO MAKE SURE ELECTRICAL CONNECTOR STILL INTACT.LIGHTLY TAP WITH THE HEAD OF A SCREW DRIVER BELOW COOLANT LOW LEVEL SENSOR BOTTOM OF COOLANT RESERVOIR.IF LOW COOLANT LIGHT GOES OUT COOLANT SENSOR PROBABLY STUCK IF LIGHT STAYS ON COOLANT LOW LEVEL SENSOR BAD.
Hi. I was having a similar problem ,so I am gonna paste my fix. Maby this will help ,maby not .lol! John R Thompson II Oct 23, 2012 The problem was fixed by purging all the air from the system , as I stated before I had replaced the water pump. While the raditor lines were loose I ran the Hose water thrue the raditor to clean any debree out. After replacing the water pump ,and topping the coolant off the coolant light remained on. A short branch pressed against the gas petal ,and seat keeps the truck slightly above idle if in my case your working alone. Let the motor idle slighty high for 15 ( Leave the Cap Off orf the resovoir )minutes all the while topping the resovoir off with water or coolant . In my case I could see air bubbles reguarly ******* up in the resovoir. After all this the light still didnt go off ,so I shut it down. The next morning it didnt come on , and has been doing good ever since. John R Thompson II Oct 23, 2012 Always be ready for a hot coolant blow out !! That is hot water/coolant ,and can burn you especially with hidden problems such as a bad head gasket that allows the hot exhaust gasses to enter the cooling system.
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Sometimes the sensor gets contaminated, clean it real clean woth brake cleaner and reinstall it. the sensor is in the right side of the radiator near the right headlight area.
SOURCE: Low Coolant Light is On
thats a bit drastic maybe an air pocket in the system causing the light to come on and off
SOURCE: coolant light comes on
Ouch. Been down that road.
Sounds to me like a head gasket problem.
Pull your oil dipstick.
Is your oil watery?
Does your dipstick smell like coolant?
Does your coolant have an oily film on it?
You can have a dye leak test done to confirm it.
Should you be able just to have the head gaskets changed and not the engine, again..insist on thenewest, brand name, top of the line gaskets
available.
Best of luck.
SOURCE: I have a 2000 VW
take the coolant level sensor out of the header bottle and shake it as i think the plastic ball float has stuck and thats all the problem is ,common fault
SOURCE: car low coolant light on,
Doesn't sound right to me. Do a compression check on all the cylinders and make sure to check for water in any cylinder. Sounds like you have a cracked head or blown head gasket letting a cylinder over pressure the water system.
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power steering and smog pump pulleys. If you are unsure, ask your
mechanic to point out the water pump pulley.1,265 views
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