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Old 06-11-2017, 02:45 PM   #1
HAMBO
 
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Drives: Supercharged 2013 AGM 2SS/RS
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What is this stain / mark?

Cleaned my car today and notice a stain or discoloration on the lower panel of the drivers side door. It isn't really a distinct color, it just seems to reflect light a little differently than the rest of the door around it.

Any idea what this could be, and how to fix it? For background info my car was coated about 7 months ago (not by me). I routinely wash with ONR. I have been using CarPro ECH2O recently, and I had perhaps not diluted it enough at first so I noticed the next day some streaking, some of which was a bit hard to buff off since my car is parked outside and there isn't a lot of shade.

Issue is in the red box. Other patterns / changes are reflecting what's on the ground.

Tried wiping it by hand with some CarPro Essence Plus, didn't really do anything.

Any ideas??



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2013 AGM 2SS/RS
SLP TVS2300, 3" Magnaflow catback, BC Racing BR series coilovers, HRE FF15's (20x10 square), GM STB, BMR front and rear sway bars and toe links, Prothane subframe bushings and front control arm inserts, JDP rear upper control arm bushings, white factory rally stripes, Elite Engineering catch can. Tuned by Cunningham Motorsports.
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Old 06-11-2017, 05:04 PM   #2
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They missed a spot when applying the coating?

Did they polish the vehicle before applying the coating?
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Old 06-11-2017, 05:56 PM   #3
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Quote:
Originally Posted by BRZN View Post
They missed a spot when applying the coating?

Did they polish the vehicle before applying the coating?
Yep, they polished it before.

I tried some Essence Plus applied with my PC. Seems to have evened it out a bit, so maybe something was just stained or imperfect in the coating. It's not completely gone, but much better.

Thinking back, I had some water spots the other day, and used CarPro Spotless. That stuff can be a bit strong...wondering whether I may not have buffed it all off properly at it left a mark? Have had that happen on glass before and had to polish it out.
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2013 AGM 2SS/RS
SLP TVS2300, 3" Magnaflow catback, BC Racing BR series coilovers, HRE FF15's (20x10 square), GM STB, BMR front and rear sway bars and toe links, Prothane subframe bushings and front control arm inserts, JDP rear upper control arm bushings, white factory rally stripes, Elite Engineering catch can. Tuned by Cunningham Motorsports.
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Old 06-13-2017, 06:10 AM   #4
BRZN
 
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If some polish residue remained in that spot before applying the coating, the coating wouldn't have stuck and could leave that appearance. There was most likely a coating prep product used to wipe the paint clean prior to application, but it has its limitations, especially if the area isn't noticed and wiped more thoroughly.
It could even be an area of coating that wasn't wiped completely. If so, it would most likely need polished off there and reapplied.

Was there a scuff or scratch in that location? Could they have polished through the clear? The base color has a matte look to it with out clear on top of it. The coating would bring it up to almost looking as if clear was over top it. Sorta like your picture.
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