Re: 2013 Silverado undercoating
It's going to come off over time. There is no stopping that. Being down south we don't have to big and issue with this, so I've never had a need to do a warranty corrosion repair. On the 3/4 ton and 1 ton work trucks I work on that have been a abused and taken all over, the frame just has surface rust. I honestly wouldn't really worry about it to much. Just wash it off good and frequently when you drive on the salt.
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1979 Sierra Classic Heavy-half
1996 Silverado x-cab "the daily"
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