Question about 2003 Audi A6

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I have white smoke coming out from the exhaust of my audi a6 2003 and the coolant tank is empty

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Unfortunately you probably have a blown headgasket. You should not drive the car like this as it will further damage the engine. The parts and labor for this job are not cheap. You may want to phone around and get some quotes. I would ask for prices on the headgasket, themostat, timing belt and waterpump. All these things should be done as part of the job.

Hope this helps,
Dave

Posted on Jul 04, 2010

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My car has white smoke coming from the exhaust


he causes of white exhaust smoke can vary; however, it is common to see white exhaust smoke when first starting a car, especially on cooler days. This is generally steam caused by condensation. As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. If excessive white exhaust smoke is present well after the engine warms up, it is necessary to have the car inspected for possible internal coolant leaks. Indicators of an internal coolant leak include billowing white exhaust smoke accompanied by a sweet odor or a low coolant reservoir level. An internal coolant leak can also contaminate the engine oil giving it a frothy, milky appearance. Even small amounts of coolant entering the combustion chamber will produce white exhaust smoke.
One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
Never remove the radiator cap or coolant reservoir cap while the engine is hot or running as it can cause serious injury; always allow the car to cool down completely first. Checking for a low coolant level in the reservoir is the first step in determining if coolant loss is causing the white exhaust smoke. If the coolant reservoir is at the proper level but excessive white exhaust smoke is present, a cooling system pressure check is required to determine where, if any, coolant leaks are located.

Nov 17, 2016 | Cars & Trucks

1 Answer

Chevy 2005 cavalier low coolant light keeps coming on and the coolant reservoit tank is empty after only 200 miles. what is causing this?


  1. Check the hoses and clamps going from the reservoir to the radiator and from the radiator to the engine. Make sure they are flexible and in good condition.
  2. Check the reservoir and radiator for leaks.
  3. Replace any parts they may be failing. If no leaks are found proceed to next step.
  4. Check engine oil. If oil has coolant in it you may have a blown head gasket or crack in the head or engine block. Another sign of a coolant leak into the cylinders is white smoke coming from the exhaust after the engine is warmed up.

Jun 24, 2014 | 2005 Chevrolet Cavalier

1 Answer

Replaced thermostat on pontiac sunfire now there's smoke coming from coolant tank


Sounds like you have a leaking head gasket or damage to the engine from when it overheated.
A leaking head gasket can cause compression to leak into the cooling system and pull coolant into the cylinders which is burned out the exhaust. It does not have to leak into the oil.
A shop would check for exhaust gas in the cooling system and run a compression test on the cylinders.

Mar 04, 2013 | 2002 Pontiac Sunfire

1 Answer

I have white white smoke coming from under the coolant tank, when starting the car cold in the morning, driver side


I was going to say that white smoke wouldn't be oil but I see that you figured that out. Look for loose coolant hose clamps on or near the reservoir or possibly a small crack in the reservoir itself. As a general rule for gasoline engines: White smoke = coolant, Blue smoke = oil, Gray smoke = fuel, Black smoke = "Uh oh, that can't be good." :-)

Oct 05, 2012 | 2001 Audi A6 All

2 Answers

Hey i got a 2000 jeep grand cheokee its choking out and white smoke was coming from the exhuast and my engine shaking


White exhaust smoke from a gasoline engine usually means coolant leaking into the engine block.
Is the coolant in the radiator full ?

Jul 06, 2012 | Jeep Grand Cherokee Cars & Trucks

2 Answers

White smock 2003 vw


If the smoke has a sweet smell to it then it is coolant from an internal leak inside the engine like a head gasket or other source. To confirm that you have a leaking head gasket have a shop problem the coolant recovery/surge tank with a gas analyzer for the presence of hydrocarbons in the coolant tank, this indicates for sure that a head gasket is the cause of the white smoke.

Jul 04, 2012 | Volkswagen Passat Cars & Trucks

1 Answer

I have white smoke coming from where it seems to Problem with the Audi A6 2000 A6 I have white smoke coming from where it seems to appear, under the coolant tank, for a short period of time after...


You have coolant burning. Your 2.7T is a hot-running engine and the plastic tank sits above the left side exhaust manifold. The heat from the manifold is known to cook the tank and make it brittle enough to crack and leak. I think if you look at the tank you'll see it's leaking slightly on the manifold, causing the coolant smoke you're seeing. You can get a new tank from www.GermanAutoParts.com in Albany NY - great place to deal with (I always order parts for jobs from them) and replacement is simple.

Jul 08, 2011 | 2000 Audi A6

1 Answer

I have white smoke coming from where it seems to appear, under the coolant tank, for a short period of time after shutting the car off. Car runs completely normal, although check engine light came on and I...


Sweet smelling white smoke?????

This is steam my friend, you have a breach somewhere in your coolant system. The smell, and probably the sweet taste in the air is from the etheyne glycol in the coolant (some french wine manufacturers used it as a sweetner years ago, until they discovered that Ethylene Glycol is a poison! - gotta love those French wine growers).

I'm guessing that you have a rubber hose connected to the bottom of the coolant tank and it is perished and has a crack in it

Jul 08, 2011 | 2000 Audi A6

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