Is there such thing as clear coat spot repair via a Sun Gun?

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Maestro Sam

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My client bought a new car and after examining the car, the car had tons of wet sand marks all around the door and parts of the car. After washing the car, I spotted a white fading spot that was about 3 quarters in size. It was clear coat damage in my opinion because hand buffing (for my safety) did not even remove any of the marks. He took it to the dealer this morning and said the dealer's detailer used some alcohol, a microfiber towel, and a sun (heat) gun to remove the white spot. What exactly is a sun gun? I thought it was used to find scratches and swirls?
 
From working at a merc dealer had similar scenarios where blotches were here and there.Heat gun cleared it right up,I think it has to do with the white wrap on a new car.
 
When water gets under the shipping wrap on new cars moisture can become trapped within the pores of the clear coat and cause a hazy effect.

The detailer performed the correct OEM approved remedy which is to use an alcohol, that is miscible with water, to seep into the paint and allow the moisture to evaporate out. A heat lamp expands the pores of the paint and accelerates the evaporation process, completing the repair.
 
Nicholas@Autowerx said:
When water gets under the shipping wrap on new cars moisture can become trapped within the pores of the clear coat and cause a hazy effect.

The detailer performed the correct OEM approved remedy which is to use an alcohol, that is miscible with water, to seep into the paint and allow the moisture to evaporate out. A heat lamp expands the pores of the paint and accelerates the evaporation process, completing the repair.
Click to expand...

Learn something new every day... makes me wonder about long term durability.
 
damn never knew about this and learned something new in a while lol. Thanks guys <3
 
It looks like most OEMs have changed their service bulletins for this problem. I'm assuming there were probably reformulations in the paints used so you no longer need alcohol... just apply heat until the stain is gone. It will be best to try to find the proper technical service bulletin for the specific model vehicle you are working on before attempting such a repair.

Here is an example for Toyota's technical service bulletin for paint stains under WrapGard:
http://www.toyotaparts.metro-toyota.com/PAINT_STAINS_UNDER_RAPGARD_TS-PA002-06.pdf

Mazda's TSB for this problem is a little more in-depth:
http://am.mazdaserviceinfo.com/libr...ervice Bulletins/en_us/pdf/09-009-15-3015.pdf
 
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