Mystery substance?

I have this off colored film on my truck it’s mostly build up in the bottom edges of the truck along the fender and bottom rocker (top and bottom edges of the rocker)

I thought it was some kind of build up of wax from automatic car washes but now I’m Not sure. I hit it with a clay bar and it didn’t come off with that.

 

That looks like staining from a rubber dressing product.

I have only been able to remove it via polishing. Because it is a stain, not a residue ontop of the paint.

Are you using a product? If not where are you taking your truck for a wash? Like is it an auto wash place or a place where you have people physically touching your vehicle?

 

I just bought the truck used so I don’t know what was used to create the issue. You can feel it above the paint though it’s tacky/sticky

 

Is it overspray form the anti rust fluid used up north to protect from road salt?

 

I highly doubt it the truck was originally sold in Houston tx. And had all its service records at the dealer in Houston.

 

looks like some kind of rubber dressing like what was said in post #3...

 

This stuff that they put on cars for delivery

 

It looks like the previous owner brushed some sort of corrosion protection / inhibitor product on in those areas. Since you say it's somewhat tacky, I'd vote for inner body panel rust proofing. It never fully hardens. Assuming that's the case, a mild solvent should take it off.

 

ok like mineral spirits? or isopropyl alcohol?

 

It's TX, that could very well be seamen!

 

I'd try a good bug and tar remover first and try that.

 

Yes, those would be two I'd try first.

 

Alcohol is not good for clearcoat unless its watered down to about 10% Alcohol 90% Water. Your truck your clear coat you do what you want.

 

Toyota Super White = No clear coat. (Single stage believe it or not.)

 

I miss those single stage days. Go from Pink to Bright glossy red again.

 

Yea, but the shine you get from a BC/CC system is hard to beat!

 

I drive a Black truck and own a Flex 3401, I totally agree. This Toyota paint especially Black is butter soft to correct, but look at it wrong and you'll instill swirls.

 

Yup, my go to machine.