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2019 MKZ Door Seam Sealer Blisters


TomV

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I've had my car for about 2 months now. Last Friday I washed it after work and while toweling it off noticed 3 of the doors had bumps or blisters on the seam sealer. 

 

As far as I can tell this seam sealer is applied to the door seams after it's primed but before it's painted. Since the car is so new, I don't think it's rust yet... at least I sure hope it's not. I'm leaning towards possible air bubbles or bad batch of sealer. Also it was our first cold day under 40 degrees in Ohio, perhaps expansion/contraction of the steel door skin vs. the sealer.

 

I'd estimate 5 to 6 bumps per each of the 3 doors. They didn't crack the paint, but I know they weren't there before. I'll try to get a picture posted here soon and may consult the dealer. Perhaps they can grind one down to investigate what's going on underneath and then touch it up. It's got me feeling very uneasy about how long this vehicle is going to last. Anyone else ever notice this?

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