Question about 2000 Audi A6

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Please someone help me with my 2000 Audi A6 2.7T overheating problem. The car starts hard in the morning with a splutter. The car tends to overheat, but not when the heater is on. The heater does not always come on. Fans are working fine in engine, and I have already replaced the thermostat, electric water pump, ECU and temperature sensor. Please help!

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  • Yuri Grant Roper Jul 05, 2010

    Very helpful. I will post results once I have implemented the solution.

  • Yuri Grant Roper Jul 07, 2010

    Hi. The oil is not milky or white. The car runs fine but each morning I have to top the water up. Will a chemical test determine where the gasket leak is?

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What i think is happening here is that you have either a blockage and/or air in your cooling system. The best way that you can solve this is to start the car when the engine is cold (overnight) with the radiator cap off. Let the car reach its running temperature with the heater on and let the cooling system purge itself. Keep adding coolant in the radiator as it goes down and eventually it will not take anymore coolant. Keep in mind that the coolant will overflow out of the radiator when the air is pushing itself out which is normal. Let the thermostat change out 3 to 5 times and replace the cap. See if this solves your problem.

Posted on Jul 05, 2010

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  • Yuri Grant Roper Jul 05, 2010

    Thank you. I will try that. Regarding the hard start in the morning and thw slight splutter on start up, could that be one of the head gaskets as someone else has suggested?

  • Alex Jul 05, 2010

    It could absolutely be a head gasket. It could also be a lower intake manifold gasket but i can not tell. Check your oil and make sure that it is not milky white or out or even a little high on the dipstick. If your coolant is going into your oil that can cause bad things to happen.

  • Alex Jul 17, 2010

    What the dealer or mechanic can do is do a dye test. They will color your coolant with a dye reactive to black light and you will be able to see exactly where you have a coolant leak.

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2 Answers

Why is my 2001 audi a6 is overheating 140,000 miles


Hi there:the Audi manual never talks about a 2 stage aux fan just that the aux fan runs with ac on and it can run with out ac on if there is an overheat issue on the coolant side where as the a4 info clearly states a 2 stage aux fan system that would lead me to think the early 4.2 did not use a 2 stage system. Your car is not overheating and boiling over out of the coolant tank it is showing a little hotter than what would be perfect but it is still in what Audi calls acceptable range. The whole coolant system is new I would start looking at your sensor and gage systems there is a coolant sensor in the rad but that is most likely new if they replaced the rad. The gage uses a temp sensor on the engine for the gage I would replace that sensor and test the gage with a resistance input tool we have at the dealer. Could be a gouge or the wiring to it. There is a coolant fan module that could be defective if your sure there was a two speeds to the aux fan.


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Mar 29, 2012 | 2001 Audi A6

1 Answer

Thermostat


For car running hot and overheating issues, I suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems: ----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------------------------
Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
----------This details will help.Thanks.

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1 Answer

Car dies, after short time, it will start


For car running hot and overheating issues,i suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems :----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------------------------

Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
----------This details will help.Thanks.

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1 Answer

I have a 2000 vwb with a 2.0 engine, it keeps overheating. I have replaced the radiator flange and it overheated and melted that. Anyone know if there is a fan delay or relay switch?


For car running hot and overheating issues, I suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems: ----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------------------------

Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
----------This details will help.Thanks.

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1 Answer

My 2000 audi 2.7t was overheating when i wasgonna pull over to stop the thermostat whent back down to normal but the overheating light was still on. another thing was i checked the antifreeze and it was...


Hello, trfrost621 and thank you for asking your question on Fixya!

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your
2000 Audi A6, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose your overheating
2000 Audi A6

Get more great money saving tips and tricks about your vehicle from: twitter.com/acoates23234

Thanks for the vote, and good luck!

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1 Answer

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