Crankcase (pcv) Problems of Audi A6

I recently brought my 2019 A6 to nyack Audi for an unrelated repair, after performing their complimentary inspection the service advisor told me my water pump was leaking coolant into the vacuum hose system; and the pump, pcv valve, sensors, solenoids and vacuum hose system need to be replaced, costing $6,186. My A6 was out of warranty at that point, so Audi would not pay for the $6,186 in repairs. Engine coolant purportedly leaks into the vacuum system and other electrical components, causing contamination of the vacuum system. Leaking coolant will cause an overheated engine and possible failure of the (ea839)engine and even the turbocharger . Today I did some online research line research and discovered a class action lawsuit involving their 1. 8 & 2. 0 engine water pumps which failed prematurely for the same reason. A major class-action settlement (zhao v. Volkswagen group of America) was approved covering certain 2014–2021 Audi vehicles equipped with 1. 8l and 2. 0l engines. And now, there is a class action involving the 2. 9 & 3. 0 v6 engines; “the lawsuit alleges the water pumps are defective in Audi's 2. 9-liter and 3. 0-liter ea839 v-6s; these engines were available in nearly every Audi model on sale from the 2018 to 2024 model years. The lawsuit—larr, et al. , v. Volkswagen group of America, inc. , et al. —has been filed in the u. S. District court for the district of new jersey”. Apparently, Audi has know about this issue since at least 2018 and done nothing to try and resolve it. Please put the pressure of the federal government on Audi to settle the lawsuit, do the right thing and cover the cost of repairs. Also find a solution to prevent this from happening to other Audi owners. I can’t afford $6,186 for a repair, nor go purchase a different vehicle…. . Rock & a hard place. Please help. Thank you .

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The contact owns a 2001 Audi A6. The contact stated that a valve that allows air in the crankcase freezes. This causes a build-up and prevents oil from escaping due to the frozen valve. The failure occurs in cold weather conditions. The contact is in the process of taking the vehicle to the dealer for repair. The failure and current mileages were 65,000.

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Huge oil leak on my 2001 Audi A6 4. 2 caused by the pcv valve freezing closed. This has happened to my car 3 times in the last 2 years. This only happens during extreme cold weather, colder that -10 deg f. No indication of the freeze problem until the car slows to below highway speeds and you can smell the oil burning. The pcv valve freezes closed which allows pressure to build in the crankcase of the engine causing overpressure and oil to be forced out of the valve cover gaskets, ignition coil seals, cam seals and crank seals. So much oil leaks out that it covered the entire engine compartment, the front suspension including the front brakes, down the sides of the car, covers the entire underside of the car including the entire exhaust system. Very serious fire danger and possibility of not being able to stop the vehicle because of oil on the brakes. My car did not start on fire and I was able to stop the vehicle. I have contacted Audi of America and my local Audi dealership and the dealership acknowledged the freezing problem and recommended the installation of a redesigned pcv valve. My car is already equipped with the redesigned valve, so no repair was applied. Audi blames this problem on driving habits of the owner allowing the car to idle in extreme cold. I have pictures of my pcv valve with ice inside of it and have contact info on other people that have seen the same problem, one resulting in a fire. The dealership location is fargo, north dakota name is valley imports, talked to the service manager.