getting rid of wet sanding spots

[andyo]

i painted my car last year and i am trying to get rid of the wetsanding residue in the engine compartment but it dried like cement and wont come off. what should i use?

[Derrick]

Re: getting rid of wet sanding spots

Have you tried claying it? If that does not work try a good paint cleaner like DC1 or ScratchX and put some passion behind the pad and that should take car of it for ya. Oh and just to clarify are you refering to the paint surface in the engine bay? or did it get on other components? If so what did it get on so i can suggest other products

[Mike Phillips]

Re: getting rid of wet sanding spots

i painted my car last year and i am trying to get rid of the wetsanding residue in the engine compartment but it dried like cement and wont come off. what should i use?

Are you talking about compounding residue that splattered into cracks and crevices?

If so, if it's one of our compounds, they are water soluble, so all you have to do is get it wet enough to re-liquefy it and then scrub and rinse it away with some kind of safe to use brush.

Could try to somehow get some cloth onto the residue and then get the cloth wet, this will hold water onto the splatter kind of like is shown here to remove dried on bug guts.

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Best thing to do is remove it while it's fresh.

[Derrick]

Re: getting rid of wet sanding spots

Were you talking about the compound residue or the wetsanding residue that comes off while wetsanding which is really clear coat slowly coming off into whatever you are using as a sanding lubricant. I thought you were talking about the wetsanding residue that comes off while wetsanding ( clear coat ) but if you were talking about the compound residue then its like Mike said just use some water to soak it for a while then wipe it off.

[andyo]

Re: getting rid of wet sanding spots

wetsand residue (clear coat) on the heater box, inner fenders, door jams.

[Mike Phillips]

Re: getting rid of wet sanding spots

wetsand residue (clear coat) on the heater box, inner fenders, door jams.

Thanks for clearing that up, we thought you were referring to the excess compound and polish splatter that can get stuck into the nooks and crannies after buffing out sanding marks.

As for cleaning off the paint residue, the safest thing to do would be to try to wash it off with a normal car wash soap and a soft bristle brush or a wash mitt. The problem can be getting the mitt or brush against the surface because of all the components in the engine compartment.

Here's a test you can try if you haven't already, take a wash mitt or a brush and some car wash soap and try to remove this wet-sanding residue off an easy to reach panel/area.

See if you can wash it off at all because it could be bonded on, or it could have stained the paint and if you can't easily wash it off an easy to reach and work on area with a wash mitt or brush you're certainly not going to be able to use this method in hard to reach area and you'll have to come up with a different approach.

If this residue is bonded on tightly or perhaps stained the surfaces in your engine compartment, then the fix is going to get complicated and maybe even expensive.

The engine compartment in my 1975 Jimmy was stained with muddy water from driving through some flooded areas this last winter, tried to wash off the residue and found the muddy water actually stained the black paint.

The fix is we'll need to re-paint the engine compartment if we want to remove the staining. At this time in like, it's not important enough to undertake this kind of job, but washing didn't do the trick as the paint itself is affected.