Sour odor
#1
Instructor
Thread Starter
Sour odor
I just fired up my C7 after sitting all winter and there is a sour smell coming into the cabin...It's coming from the vents and it smells like wet paint. I thought it could be a mouse but I know what a dead mouse smells like and its not that. I drove it for about 20 min. and the smell is still pretty bad.
#2
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Location: Big Bend Country, TX
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St. Jude Donor '06-'07-'08-'09-'10-'11-'12-'13-'14-'15- '16-'17-‘18-‘19-'20-'21
NCM Lifetime Member
Have you checked the cabin air filter ? The OE one is not charcoal impregnated. Also, it could be mildew in the system.
#3
Instructor
Sounds like a mildew issue. I know my Wife's Mercedes had this issue and after doing some research is was a common problem with MB cars. However, this is the first time I've heard about it on the Corvettes.
The fix was to use a cleaning process (found a video on YouTube when I search 'bad odor in MB' ). After I got rid of the odor I had her turn off the A/C about 5 minutes before parking in the garage. Also leaving the window cracked to help control the moisture. We haven't had any issue since then happen the first time. I bought some extra cleaner just in case.
The fix was to use a cleaning process (found a video on YouTube when I search 'bad odor in MB' ). After I got rid of the odor I had her turn off the A/C about 5 minutes before parking in the garage. Also leaving the window cracked to help control the moisture. We haven't had any issue since then happen the first time. I bought some extra cleaner just in case.
#4
Instructor
Thread Starter
#5
Instructor
Thread Starter
Sounds like a mildew issue. I know my Wife's Mercedes had this issue and after doing some research is was a common problem with MB cars. However, this is the first time I've heard about it on the Corvettes.
The fix was to use a cleaning process (found a video on YouTube when I search 'bad odor in MB' ). After I got rid of the odor I had her turn off the A/C about 5 minutes before parking in the garage. Also leaving the window cracked to help control the moisture. We haven't had any issue since then happen the first time. I bought some extra cleaner just in case.
The fix was to use a cleaning process (found a video on YouTube when I search 'bad odor in MB' ). After I got rid of the odor I had her turn off the A/C about 5 minutes before parking in the garage. Also leaving the window cracked to help control the moisture. We haven't had any issue since then happen the first time. I bought some extra cleaner just in case.
#6
Instructor
Thread Starter
I opened up my cabin filter box....HUGE mouse nest including a crispy dead mouse that I didn't realize was a mouse until I pulled it out with my fingers!
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japc5 (05-29-2017)
#11
Burning Brakes
#12
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St. Jude Donor '06-'07-'08-'09-'10-'11-'12-'13-'14-'15- '16-'17-‘18-‘19-'20-'21
NCM Lifetime Member
As I mentioned, replace it with one that is impregnated with charcoal. Also, while the filter is out, fire up the ac and spray disinfectant/deodorizer into the opening. That will go a long way to getting rid of any smell that lingers. So glad I moved to TX from Chicago 45 years ago. At least I can drive the Z and V year round. Excepting the occasional ice storm.
Last edited by MikeyTX; 05-29-2017 at 09:12 AM. Reason: add to post
#13
Le Mans Master
Moth ***** would work but I always found that getting their tiny legs apart was a real challenge.
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