A4 (B8 Platform) Discussion Discussion forum for the B8 Audi A4 produced from 2008.5

NEED HELP!!!

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Old Jan 8, 2021 | 04:27 AM
  #1  
Justin Harvey's Avatar
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Default NEED HELP!!!

Thought I’d make a post and get some advice about my car. I have a 2015 Audi A4 Quattro premium plus. For several months now I’ve been having a coolant problem. I’ll put coolant in my car then about 2 or 3 days later the notification pops up again telling me to shut my engine off and check my coolant levels. I’ve gotten under the car to see if I can find where it is coming from but learned it’s hard to figure that out when it’s all over the place it seems. I’ve wiped all the parts that were wet or had coolant or anything on it and refilled my resovour and turned the car on to see if I could see or find a location and nothing. So it seems to just be leaking while I’m driving. When it comes to the inside of the car, I’ve checked the floor boards and haven’t found any wetness or anything in the floor or under the mats. But I am having problems with my windows fogging and I believe i have smelt that radiator fluid smell but not 100% cause not exactly sure what it smells like but I have smelt an odd odor which confuses me sense I haven’t found anything under my floor mats. What also confuses me is my car doesn’t overheat and my heat works fine. If anyone has any ideas or advice please help me out. Thank you
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Old Jan 8, 2021 | 08:41 AM
  #2  
jagtoes's Avatar
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Originally Posted by Justin Harvey
Thought I’d make a post and get some advice about my car. I have a 2015 Audi A4 Quattro premium plus. For several months now I’ve been having a coolant problem. I’ll put coolant in my car then about 2 or 3 days later the notification pops up again telling me to shut my engine off and check my coolant levels. I’ve gotten under the car to see if I can find where it is coming from but learned it’s hard to figure that out when it’s all over the place it seems. I’ve wiped all the parts that were wet or had coolant or anything on it and refilled my resovour and turned the car on to see if I could see or find a location and nothing. So it seems to just be leaking while I’m driving. When it comes to the inside of the car, I’ve checked the floor boards and haven’t found any wetness or anything in the floor or under the mats. But I am having problems with my windows fogging and I believe i have smelt that radiator fluid smell but not 100% cause not exactly sure what it smells like but I have smelt an odd odor which confuses me sense I haven’t found anything under my floor mats. What also confuses me is my car doesn’t overheat and my heat works fine. If anyone has any ideas or advice please help me out. Thank you
Get the coolant system pressure tested and you will find the leak.
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Old Jan 8, 2021 | 05:51 PM
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My money is on the water pump. There's been a class action lawsuit on it, and VW/Audi settled (https://www.enginewaterpumpsettlement.com/) I had to replace mine at around 70K.

You may not be covered, but that doesn't mean you don't have a bad pump. It could just be that there weren't enough failures from your model year at the time of the lawsuit.

Make sure you get a quality pump since it's labor intensive (i.e. expensive). CRP (owns Continental, Rein, Pentosin) have been pretty good to me. These are trusted brands for European cars.
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