[tahoe08]

has any one have rust problems - on there underside (frame,axel,ect.). GM undercoating is pealing off. truck gets wash weekly (underside also ). any information will be helpful. Thanks

 

[Jism53081]

There is a tsb out for this problem. My 13 is doing the same. Take it to the dealer

 

[kadernal]

Any info on tsb I have similar issue and can't find any info.

 

[Jism53081]

http://www.silveradosierra.com/exterior/2013-undercoating-t140946.html

this page has the newest bulletin listed, they included the 2014 now also. my truck goes in the 9th of this month