White Residue Around Tailpipe - Club Touareg Forums
 
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post #1 of 4 Old 07-06-2018 Thread Starter
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White Residue Around Tailpipe

Hello Folks,

Has anyone else experienced this?

I have noticed a white residue around both tailpipes. I had the fix completed earlier this year, but have only recently noticed this residue. Could it be AdBlue or engine coolant? The coolant level is right on the mark, so I somewhat ruled it out, but maybe a small leak somewhere. I had the fix completed at 86k miles and I just received a warning to add AdBlue at 95K miles. I guess that is about right with AdBlue usage, but not sure.

Anyone have thoughts?

BTW, Are AdBlue refills free as part of the settlement?

Thanks
Marc

2014 VW Touareg TDI R-Line
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2004 Range Rover (Traded)
2001 Range Rover HSE (Traded)
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post #2 of 4 Old 07-16-2018
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I think ad blue is free for a short time,not forever. I just got a "new" 2016 and have a certificate for free oil change and ad blue fill up. I didn't see anything for free ad blue program, hope I'm wrong.
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post #3 of 4 Old 08-01-2018
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Quote:
Originally Posted by capngrouch View Post
Hello Folks,

Has anyone else experienced this?

I have noticed a white residue around both tailpipes. I had the fix completed earlier this year, but have only recently noticed this residue. Could it be AdBlue or engine coolant? The coolant level is right on the mark, so I somewhat ruled it out, but maybe a small leak somewhere. I had the fix completed at 86k miles and I just received a warning to add AdBlue at 95K miles. I guess that is about right with AdBlue usage, but not sure.

Anyone have thoughts?

BTW, Are AdBlue refills free as part of the settlement?

Thanks
Marc
Sounds like an AdBlue overdose, possibly the AdBlue injector is faulty or dirty.
I would have also suggested that it could be road salt, but assuming you're in the northern hemisphere it's not really the season for that.
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post #4 of 4 Old 11-27-2018
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I purchased a 2014 Touareg TDI in August and noticed the same thing so I took it to the VW dealer to see if they had an answer (which they did not). They did tell me my AdBlue heater had a recall which they replaced no charge and the white residue went away...until recently. No warning lights, no change in performance or consumption but it still worries me. I have a 2000 Golf TDI and never seen this and I do not recall it on my 2013 JSW TDI (exhaust tips were not as visible)? Coolant levels are all normal. Weird.
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