07 Gmt 900 Rust?!

[Ajsjdjdjfjdtgg]

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i have rust on my floor sill... i was taking out the interior to sound deaden it and noticed this rust. also had some under the drivers rear seat... its an 07 Silverado gmt900.... is this normal? and i por 15'd it.. hopefully that'll do the trick

[Stevens03]

I wouldn't say its normal, but using por15 to take care of it was smart. You may have a leaky seal. Have you ever noticed the carpets wet?

[jfm1982]

My 07 has the same problem as you. Gm will not fix it. Going to cost me 500$ to get all 4 doors fix because they all have this problem. The lip on in the wheel well is also rusting.

[Ajsjdjdjfjdtgg]

i bought the truck used last year. it wasnt taken care of as well as i would've liked but as soon as i got it i threw weather tech matts in it so this wouldnt happen. and yeah i por 15'd that, rockers, and rear wheel wells.

[jfm1982]

I have the Weathertech mats and it didn't do much to protect this

[iminaquagmire]

Check your door seals. Mine split right down the middle. There is a piece of metal in it that it split along. I haven't gotten a chance to pull the sill pieces apart yet but I sure hope it doesn't look like that.

[frdfandc]

Damn. Now I need to check mine

[Ajsjdjdjfjdtgg]

yeah scary stuff. it didnt look too bad under the wiring tray thing but i pulled it off cause i was curious and im glad i did now. the carpet wasnt wet or anything... i could only imagine what itd look like in another 3-4 years. i still owe 14k on it. i gotta make it last!

[cdb95z28]

I have the Weathertech mats and it didn't do much to protect this

 

 

Same here. I had some rust on the metal part of my door weatherstrip after one winter (with WeatherTech mats). GM put the seam of the weatherstrip right where you drag snow and salt into the cab. I'm thinking about removing the entire weatherstrip and having the seam end up towards the vertical jamb/latch. Might not work if the weatherstrip is molded in the shape of the opening.

[AllBlkdOut07]

My driverside weatherstripping rusted out too, but thankfully it didn't reach the steel below it. Dealer replaced the weatherstripping under warranty for me.