Question about 2004 Audi A8

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Coolant warning light

I have an 2004 Audi A 8 with 5300 miles , today the red indicator for the coolant is blinking , I checked the coolant , level is normal but it is hot , what could be the problem

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  • columbusap Oct 25, 2008

    What was the problem. My light just came on yesterday. Come on immediately. Also all the cooling fans come on plus the temp gauge never budges.

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It is probably the coolant temp sensor needs replacing.

Posted on Sep 17, 2008

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I have the same issue and the dealership told me, it was my thermostat, which to replace would cost me around 1100 bucks, go figures

Posted on Sep 26, 2009

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The little red water level gauge stays on


The red square shaped warning dash light is an image of a crudely drawn radiator indicating that you are low on coolant. Topping up your coolant bottle reservoir located on the passenger side above the wheel should clear up your issue. If your coolant level is full and is still indicating low coolant via dash warning light, you could possibly have a sensor out in the radiator or air bubbles in your coolant lines that need to be bled out.

May 01, 2013 | 1996 Pontiac Sunfire

1 Answer

Oil in my water


At least not yet.
As you already know, brown coolant is usually a sign of engine oil leaking into the radiator coolant. Could be a gasket leak such as the intake or a head gasket, or the oil cooler if your car is equipped.
You said the warning light was on, was the radiator coolant level low ?

Feb 10, 2013 | 2002 Audi A4

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 automaticly...no 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

I have a red dash warning light (no manual) & warning ping when I start up engine. Symbol is like an exclamation mark in circle with outside incomplete circle-lines Cheers


this light for coolant level indicator top up coolant level then s.w off and on , check for coolant leakage may be leakage from radiator sender.

Jun 18, 2011 | Volkswagen Golf Cars & Trucks

1 Answer

I have a 2004 Chevrolet Malibu Maxx. My gage is indicating that my car is trying to run hot however not reaching the red zone. No lights or indicators on. What could this be?


Check the coolant level. Recommended service interval of the dex-cool coolant is 5 years or 100,000 miles.Make sure the right coolant is in it.The dex-cool is orange/reddish in color and specifically on the bottle.The thermostat could be stuck as well.

Oct 02, 2010 | 2004 Chevrolet Malibu Maxx

1 Answer

I have a red warning light that is activating on my 1999 Malibu Dash. It is on the lower right hand side & looks like a low water indicator. My fluid levels all seem fine.


If your collant level is ok, check your coolant level sensor. Its located on the coolant reservoir, usually at the bottom!! If faulty it will illuminate the low coolant indicator.

May 29, 2010 | 1999 Chevrolet Malibu

1 Answer

My temperature gauge warning light is coming on periodically...oil level is fine. What should the temperature be at? Is it possibly a sensor problem?


The temperature guage measures the coolant temperature, not the oil temperature -- the normal range is indicated on the guage.

Check your coolant.

May 06, 2009 | 2001 Audi A4

1 Answer

Coolant light comes on


the coolant system level sensors are a real problem for this false indication issue, replace it.

Apr 11, 2009 | 2004 Saturn VUE

1 Answer

Flashing Red Temp light


This means your car is running too hot. After it cools down check the coolant level and top off as necessary, a 50/50 mix of water and coolant/antifreeze should be fine.

If it it blinks again it is one of two thing, the coolant level is low or the coolant temperature is too high, too high could be an improper water to coolant ratio, i.e. too much water.

Best of luck!

Apr 09, 2009 | 2000 Volkswagen Beetle

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