Yellow stain on door panels from rain water, defies removal!

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Yellow stain on door panels from rain water, defies removal!

Postby mikeceli » Mon Jul 28, 2014 9:23 am

Over the years, due to a window left approx. 1/2 inch open, a small amount of rain water dripped on my door panels. Oddly, this caused yellowish stains on the gray vinyl. Last week this occurred. I tried 409, Acetone, Mineral Spirits , "Mr. Clean Magic Eraser" and I forget what else, to remove said stains.

Has anyone encountered this? It is odd that the rain causes YELLOW stains and odd how resistant to removal they are!
GOD BLESS AMERICA]

1988 Mark VII LSC

2016 Chev Cruze
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Re: Yellow stain on door panels from rain water, defies remo

Postby K MANIAC » Mon Jul 28, 2014 10:41 am

Mike, what you are looking at there is NOT a yellow residue on top of the gray vinyl finish. What you see there is the absense of the gray vinyl dye on the door panel that has now revealed the yellow vinyl material under the layer of gray vinyl dye. The rainwater dissolved gray dye. Trying to clean this area further, especially with harsh chemicals, will further remove gray dye and make the yellow spot enlarge.

Think of the door panel just like an exterior body panel. The gray is like the color coat of paint on the body and the yellow is like the base coat of primer under the color coat.
"This car may be old, but it will still climb Kirker Pass at 110!"- quote of the original owner of my green 1964 Chrysler 300-K

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Re: Yellow stain on door panels from rain water, defies remo

Postby mikeceli » Tue Jul 29, 2014 12:41 am

YIKES!
GOD BLESS AMERICA]

1988 Mark VII LSC

2016 Chev Cruze
2014 Chev VOLT
2000 Ford Excursion 4X4 Diesel
1996 Implal SS Black
1996 Impala SS Dark Cherry
1995 Buick Roadmaster sedan
1986 Corvette Coupe
1989 IROC-Z Camaro convertible
1986 Ford F250 4X4 Diesel
1979 "Y84" "Bandit" Trans Am 403/AT
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Re: Yellow stain on door panels from rain water, defies remo

Postby Davemutt » Fri Aug 01, 2014 11:24 am

All is not lost - you can re-dye your panels.
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Re: Yellow stain on door panels from rain water, defies remo

Postby floodking88 » Tue Aug 12, 2014 3:56 am

what's the best way to paint the whole panel then? mine have the same sad look, but they're off for repair right now. stupid fasteners. and is there a collection of paint codes for the doors too? i'd likely match my beige with a shade of maroon.
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Re: Yellow stain on door panels from rain water, defies remo

Postby phoenix » Mon Aug 18, 2014 11:15 am

I use SEM paints, and get them from Sherwin Williams auto division. Just find one that works best for your interior... they have lots of colors. By now I've repainted virtually everything inside - door panels, rear interior panels, pillar and ceiling trim, glovebox, etc. Dash is next.

I use two coats of primer always, then two coats of paint. Of course the carpeted section with the puddle lamp has to come off (as it should always for proper door panel removal), you'll need new fasteners for it when reinstalling (notice how the four metal tabs along the top edge of it can bend - for tight installation, when finished and putting the door panel back on, put the door panel onto the car without the carpeted part, push the fasteners in, then pull out just the bottom edge again, then install the carpeted part and sticking your arm behind the door panel from the bottom bend those four tabs so that they are tight against the door panel now). I know I'm being capt Obvious here but prior to painting the panel I make sure to wipe it clean of foreign matter, then I paint right away (working inside is best so that foreign matter doesn't land on it while it dries). When painting our door panels don't forget to mask the chrome door lock ring - it's real easy to forget about (made that mistake the first time around, but fortunately that was before I had keeper panels). Good luck!
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1990 LSC SE (a.k.a. "Christine")
1991 LSC (a.k.a. "Ghost")

Christine: Arnott air springs/front, Suncore air springs/rear, CHE rear control arms, 1.5/16" front "Turbo Coupe" bar, Addco 415 rear bar, poly bushings everywhere, 1x2" SF connectors, MM caster plates, KYB shocks, Michelin Defenders, special order factory built Turbo Coupe color scheme cloth LSC buckets (with a matching backseat), factory CD/JBL (resto: Paul Protos)

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Re: Yellow stain on door panels from rain water, defies remo

Postby CDW6212R » Mon Aug 18, 2014 1:20 pm

Let me know how the dash painting goes Olegs. I have no cracks in two of my dashes, but one is my old 1972 dash and has one minor crack. I hope to fill it and make it a solid non shrinking repair, but the whole dash needs to be re-coated next.

I'm wondering how well the ALSA liquid wrap product they have would work on the vinyl material. They make it for doing almost anything they say, but it is aimed at exterior parts, the typical painted surfaces, mirrors, any trim etc. I wonder if it would work with the flexible vinyl and not let go of it over time, and the heat. They are going to have a 50% off sale here this week too.
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