Can't get mud of car....... a detailer says its paint

[cayenneturbo]

I live in AZ, Phoenix area. Last weekend we drove up north to Flagstaff to go skiing and sledding. Nice thing about AZ is in 2 hours you can go from desert to snow caps. On day 3 it started getting warmer up there and snow started to melt. In one area called "Wing Mountain Snow Play" it is all off road or dirt road. It was very muddy and slushy. This is where most of the mud go on the car. When we got back I ran car through car wash and most of mud came off, but there was still spray pattern on one side, wheel wells covers as well as undercarriage. I had a detail that I bought a few months ago from car wash and decided to use.

They try to tell me that its not mud, that its paint. I was like, for this to be paint I would have had to drive through a deep paint puddle because it is evenly spread throughout all 4 wheel wells and undercarriage. Luckily have the clear bra and nothing sticks to that, and detailer got most of visible mud off of paint but you can still feel it if you run your hands over it. But tailpipes, wheel wells, back of brakes and inner wheels look terrible.

Does anyone have suggestions on getting this stubborn mud off?

[gh0stman]

Try using a "agressive" buffing compound to where it will be strong enough for the dirt but not the paint. I am interested to see a picture of the so called dirt paint. You werent driving through the woods next to a paint factory were you :drive:

[Doohan]

Yeah, post a pic of that thing and try melting it with some WD40...

[binger]

If you have paint over spray the best thing to use is detailing clay.

[stutzchris]

Hot water to soften???

[cayenneturbo]

So after so research I found out that it was Magnesium Chloride road salt slash road dust inhibitor. So the area I was in was treated with the stuff in the summer to control dust. So the ground theoretically was saturated, although dry. When the snow started melting it created large puddles of this slurry mix. Plus the road there were also treated with the stuff too. My problem was that I went from 32' temp to 80' degree temp in one day and the stuff just dried and baked on.

I also took to an RV/Boat and car paint shop and they have a lift and will detail the undercarriage and clay, compound/polish the exterior where the other guys could not get all the way. I'll take some pics in the am.