Musty Smell After Rain or Car Wash

[ECal]

I am sure this is a common problem not limited to EVs, but my 23 Lariat smells awful after rain or going through a car wash tunnel. I've replaced the cabin filter to no avail. Service center tells me this isn't something covered under warranty and tried to sell me a service.

Have you had this problem, and if so how did you fix it? Is it truly not a warranty issue? (I wouldn't think bacterial growth would be wear and tear, but...)

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[bmwhitetx]

My guess is the moonroof leaks. Unfortunately, a common problem.

 

[Lucky Larry]

I had a similar problem with my 2011 gmc. it was caused by parking in an underground parkade at work which had water puddles as well as a high moisture content in the air. When i stopped parking in the parkade the smell went away.

Another cause may be a plugged heater box drain and a build up of water within it. in this case you may hear a sloshing sound.

Finally if it is a panoramic roof drain problem there is also another thread on the forum. below is a link.

moon roof leak

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