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Coolant level indicator comes on when the tank is full of coolant

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2006 low coolant level light on

If the coolant tank is full and the light is still coming on the coolant level sensor float may have sunk giving a false reading of an empty coolant tank. This is only repairable by replacing the coolant tank.

Feb 05, 2014 | 2009 Land Rover Range Rover Sport

1 Answer

Low coolant level indicator keeps coming on even though coolant is full

I don't believe this is a reset issue. The sensor is in the overflow tank. Make sure the level is at or just a bit above the level indicator. The sensor may be bad or blocked, but I think this is where your issue is. The sensor shows on the side of the overflow tank.

Dec 06, 2011 | 2001 Oldsmobile Aurora

1 Answer

A light come on with a box with arrow pointing down looks like waves what does it mean

This indicates a low level of coolant in the coolant bottle/resevoir..... this symbol represents the radiator or coolant system liquid level.

Warning comes on to warn of coolant level too low.

When the engine is cold...remove the cap and check level. Add 50/50 antifreeze/water to level indicated on the side of the coolant bottle or tank.

Reservoir Bottles/tanks are usually transparent and you can see the coolant level through the plastic.

When coolant topped off to correct level, lamp will go out need for scanner or shop to turn it off. It will come on as a 'self check' when you turn on the ignition and if level is okay will go out when engine starts.

Sep 13, 2011 | 2004 Chevrolet Cavalier

1 Answer

Coolant is full with correct solution mixture but coolant light comes on and off randomly

sound like you have faulty low coolant level sensor in the coolant expansion tank.make sure coolant expansion tank has coolant should be on full hot mark when engine hot been driven.cold engine coolant level in expansion tank should be on full cold mark.

Apr 15, 2011 | Saturn Ion Cars & Trucks

1 Answer

Message comes on to check cooler level. The overflow or where you add cooler is okay.

check on the side of the resovour there should be a sensor on the side of the tank. i have found these like to stick and leave the check coolant indicator on. check to make sure the coolant is at the full level and gently tap the sensor usually this unsticks it. but to repair it properly ,it will need to be replaced. hope this was helpful!

Feb 28, 2011 | 1996 Cadillac DeVille

4 Answers

Car running hot would an oil change stop it

The most common overheating problem with the Northstar engine is a blocked purge line. It's job is to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.The hose goes in to the engine to a crossover and comes out the other side to near the thermostat housing,the blockage may be there.

Apr 06, 2010 | 1999 Cadillac DeVille

3 Answers

Audi A4 2.5 V6 TDI - Creamy grey coolant in expansion tank

Sounds like blown head gasket (or worse) still to me.
Remove oil filler cap and look for grey oil.
Never use water these days but special coolant. Water makes vapour spots and cause block cracks, worse then blown gaskets!!!
vapour does not cool very well.
Look like you have cracks already.
Take a compression test if possible. But might not show op at that temperature.
The gauge indication troubles me.

Apr 14, 2009 | 1998 Audi A4

1 Answer

Coolant light

First check the coolant expansion tank and radiator for correct level. The radiator should be full (take the cap off when the engine is cold, doing this on a hot engine will cause hot coolant to spray out and possibly cause major burns). The expansion tank should be marked level-wise, either min-max, or min only, or max only. If the levels are right, your level sensor is probably bad. This sensor is located somewhere in the expansion tank.

Aug 17, 2008 | 2003 BMW 330

2 Answers

2004 impala coolant level

The coolant container (called the overflow reservoir) will be marked as to what constitutes MIN and MAX levels that should be in it. If it's low, add coolant.

As for what temperature it should run at, the gauge on the dash is just a general indication, but usually it runs close to the middle of the gauge's range.

Aug 08, 2008 | 2004 Chevrolet Impala

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