Coolant... evap
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Joined: Feb 2005
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Coolant... evap
My coolant fluid seems to be evaporating pretty rapidly... i just ad the system flushed a month ago and already the level is below min?
there dont seem to be any visible signs of a leak... its just bloody irritating!
there dont seem to be any visible signs of a leak... its just bloody irritating!
AudiWorld Super User
Joined: Aug 2001
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Check your oil for a grey foamy substance, check transmission fluid level......
If you are losing coolant that fast and there are no signs of an external leak, you could be losing coolant through a head gasket to the oil, or through the tranny cooler in the radiator into the tranny. Both are bad, and need to be fixed as soon as possible if they exist. However, I'm sure it is very hot in the UAE, so it may be possible to be losing coolant to boiloff. I just wouldn't assume it is boiloff and ignore it.
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Re: Coolant... evap
not a good sign if you cannot see any leak...i don't wanna scare you but when this thing happens...normally you should have a cilinder head broken if you can see some water stains or little drops(white stains) on the cilinder block it can be the head gasket, if the engine is clean from water stains and there's no other signs of leaking fluid take the car to a mechanician.
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yeah, its a bad sign
that is exactly why I had to sell my previous vehicle (Ford Explorer) in a hurry. At least I drive an A8 now 
I didn't know how coolant was getting in the combustion chambers, but it was going there for sure. I had whitish foam in the oil, coolant level was dropping rapidly (on a hot day it would drop 2-3 liters in 100-200 km), and a LOT of steam was coming out of tailpipes.
I didn't know how coolant was getting in the combustion chambers, but it was going there for sure. I had whitish foam in the oil, coolant level was dropping rapidly (on a hot day it would drop 2-3 liters in 100-200 km), and a LOT of steam was coming out of tailpipes.
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