Slippery liquid on garage floor
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AudiWorld Senior Member
Joined: Feb 2004
Posts: 1,093
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From: Chicago, IL
Slippery liquid on garage floor
Does anyone else have a pool of slippery / slimy yet almost clear liquid collect under the car?
I think that the liquid is condensate draining from the Aircon but the slipperiness is surprising and it does not seem to dry. There are no other signs of fluid loss from the car and nothing ever noted when serviced.
I think that the liquid is condensate draining from the Aircon but the slipperiness is surprising and it does not seem to dry. There are no other signs of fluid loss from the car and nothing ever noted when serviced.
AudiWorld Super User
Joined: Oct 2001
Posts: 15,310
Likes: 696
From: SF Bay Area, CA
Besides the AT fluid, could be...
radiator fluid. The antifreeze also has a slippery feel and in small quantities you really can't see the light purple tint. I use the old taste test, and if it has a slightly sweet test, think antifreeze, while if it has an oily/petroleum taste think ATF, oil or PS fluid. If it smells somewhat rancid, think gear oil like in the various diff cases. Your description doesn't really sound like gear oil though.
Just lost the radiator in the W12 due to a minor leak. Never hit the ground; it just burned off pretty much on the bottom of the radiator. Replaced under warranty. S8 unit may be the same one. If the leak seems back by the firewall though, that could be heater core (but you would likely smell that inside and have some windshield fog up), or one of the oil or ATF to water cooler units bolted around the tranny area. On the W12 there is also a complicated antibackflow coolant valve back by the firewall (right next to the battery on the passenger side (U.S. spec.)). I noticed a tiny leak on mine leading to a bit of coolant loss/burnoff which the dealer diagnosed as just a loose clamp.
On previous Audi's I have lost side and rear tranny seals (C4 and C5), which dropped fluids like you say. Also under warranty. Post warranty it has been pretty uneventful for leaks on the various Audi's FWIW.
Just lost the radiator in the W12 due to a minor leak. Never hit the ground; it just burned off pretty much on the bottom of the radiator. Replaced under warranty. S8 unit may be the same one. If the leak seems back by the firewall though, that could be heater core (but you would likely smell that inside and have some windshield fog up), or one of the oil or ATF to water cooler units bolted around the tranny area. On the W12 there is also a complicated antibackflow coolant valve back by the firewall (right next to the battery on the passenger side (U.S. spec.)). I noticed a tiny leak on mine leading to a bit of coolant loss/burnoff which the dealer diagnosed as just a loose clamp.
On previous Audi's I have lost side and rear tranny seals (C4 and C5), which dropped fluids like you say. Also under warranty. Post warranty it has been pretty uneventful for leaks on the various Audi's FWIW.
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