Brown Specks On Grand Cherokee - JeepForum.com
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post #1 of 17 Old 07-09-2019, 03:29 PM Thread Starter
gca
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Brown Specks On Grand Cherokee

Hey all,
I have a 2015 Grand Cherokee, and I'm noticing some brown specks that are showing up. It appears the most on the back of the car. But it's starting to show up in some other places, including the side mirrors. I've done some research online having read that it could be something called "rail dust", but I live no where near railroad tracks, and it seems like more and more of these show up when I wash the car weekly. Or I'm just not noticing them before. It's not noticeable if you're standing a ways back, but if you move up and look closer, it's noticeable. Some of these spots have tiny tiny specks that can be picked off, but leaving the brown color behind. I've tried using wax, but that didn't work.
Any ideas on what this might be, and how to fix it?
Thanks!

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post #2 of 17 Old 07-09-2019, 03:30 PM Thread Starter
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The images didn't upload. I'll upload them with links.
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post #3 of 17 Old 07-09-2019, 03:35 PM Thread Starter
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Here are the images.
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IMG_0154.jpg   IMG_0155.jpg  
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post #4 of 17 Old 07-09-2019, 03:44 PM
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looks like over spray. park it next to anyone painting? maybe the house next store?

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post #5 of 17 Old 07-09-2019, 03:53 PM Thread Starter
gca
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Quote:
Originally Posted by 222Doc View Post
looks like over spray. park it next to anyone painting? maybe the house next store?
Hi,
No, not that I can think of. I'm usually pretty conscious on where I park.
One thing to mention is that I live near the coast, so I don't know if that different moisture in the morning that's typically on the car plays a role.
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post #6 of 17 Old 07-09-2019, 04:45 PM
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Has there been any roads you regularly travel that have been re-surfaced or re-tarred recently?

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post #7 of 17 Old 07-09-2019, 06:21 PM Thread Starter
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No, it's been mainly "middle aged" roads and freeways.
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post #8 of 17 Old 07-09-2019, 07:26 PM
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wind can carry wet paint.

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post #9 of 17 Old 07-10-2019, 12:58 PM Thread Starter
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What’s just strange is that little things can be picked off. They’re all mainly brown/rust color. Could it be rust?
I just want to get this off haha
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post #10 of 17 Old 07-10-2019, 10:44 PM
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I've got the same thing on my white Ram pickup. Pretty sure its brake dust.

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post #11 of 17 Old 07-11-2019, 11:01 AM
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Those are essentially just debri dots or "Rust Dots" as called in detailing. Get a claybar and some meguiars "Quick Detailing" spray and they will come right off.
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post #12 of 17 Old 08-10-2019, 02:46 PM
pat master
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As black dots that look like tar are mold spores from parking near mulch every day. I have 2 cars that have black dots on them because we put down red mulch. A neighbor of mine asked me to look at his Cadillac and it was covered. I had no clue what it was. A few weeks later he said to me it's artillery mold spores that shoot up to 15 feet from the mulch. Get some bug and tar remover and clean it up gently ,don't part near the mulch
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post #13 of 17 Old 12-17-2019, 11:48 PM
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They're iron deposits from your brakes and from normal driving habits. They're on all vehicles but it is easier to see on white and lighter color vehicles. The way to remove them is wash the vehicle thoroughly and then spray on a product called Car Pro Iron-x or Meguiar's Paint Decon and let it dwell for 5 minutes and you'll notice purple spots appear where there was once the orange specks, rinse the vehicle again and whatever spots are left use a clay bar, once you're happy with the results follow up with your favorite wax or sealant. If you don't want to go through with this process any half way decent local detail to shop to you can take care of it.

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post #14 of 17 Old 01-05-2020, 10:58 AM
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OP

Did you ever resolve the issue. From my exp its either going to be one of two things
It COULD be iron deposits as stated earlier. To see for sure if that is it- buy something like Car-Pro iron X and spray it on the area in question. If there are ANY ferrous(iron ) deposits @ all they will show up bright deep purple.
https://www.autopia-carcare.com/carp...l#.XhIiPC2ZOJI

More than likley though you are dealing with what is called Artillery Fungus-- watch this video ( well worth the time )

This will clear up your issues I am 99% sure
Let us know
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post #15 of 17 Old 01-10-2020, 05:14 AM
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Well what did you come up with??
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