How to remove really old rubbing compound

[Mike E]

I have a few spots on my car where there are remnants of really old rubbing compound or wax or something. I originally thought it was primer showing through where the masking wasn't tight to the trim, but when I swapped a fender this weekend! I found more inside the fender. It's in the drip rail, crevices around the window trim and gaps around the trunk. It is as hard as concrete and I can seem to remove it by rubbing or with a fingernail.

Is there something that will chemically soften it without harming the paint?

 

[tbone87]

Just wet it and get s little detail kit from the parts store. It comes with some fine brushes and some rubber tips also. Also some good foaming glass cleaner to. Can usually wipe out with a rag..

 

[Mike E]

I tried to scrub it with a wash mitt when I washed the car yesterday and it doesn't budge. I've tried an old toothbrush and soapy water and a clay bar and quick detailer. It's tough stuff.

 

[tbone87]

Ya it's a pain. They also have some wax remover also my try spraying using it and more scrubbing. Its a chemical but not harsh at all.

 

[bison]

Usually more rubbing compound is what gets it off


BPE2013@hotmail.com

 

[86-2fast]

I was told that peanut butter or peanut oil would remove it. Do a search on that.

 

[Turbo Negro]

Mineral spirits and a toothbrush. Just don't brush your teeth with it when your done.

 

[garyk1970]

X2 Bison.....More wax or compound will remove the old stuff safely and fast...
Apply wax/compound , then remove damp, don't let it dry....same method works on rubber trim.

 

[626gn]

WD-4o. Old detailers trick...

 

[Mike E]

Thanks for all the ideas. Most of what is left is deep in crevices or in pits in the window gutter, so I can't get to it easily. There is also some on the quarter window rubber. If I can get it all off, this car will have slow quality paint. Someone in the past must have spent a pretty penny painting the car.

 

[garyk1970]

Hard to reach places I use a dollar store paint brush that I cut down with scissors

 

[aminga]

If I can get it all off, this car will have slow quality paint.

Freudian slip?

 

[Mike E]

Lol. I guess so. I didn't even see that.