White milky marks (?) on left air intake vent ...

[f5fstop]

Possibly this, but it could also be something like cement dust or liquid that sprayed up and stained the paint. Cement dust can ruin paint, as well as bird poop. If you have a white or light vehicle, a stone chip can appear to be a flaw in the paint, and if it just grazed the part, it will not cause a chip. Another thing that can damage paint is bugs.
I had a white Vette and lived in the south, I had a bra on it most of the year due to stains received from some of the flying bugs, and from some stone chips. I thought they were flaws, but I had some GM paint experts I worked with check it over and they all agreed some small spots were from stones grazing off the paint, and some of the dark stains on the front fascia were bug stains.

But not being there and seeing the marks, I can't say if this is what the bulletin is talking about or not.


Subject: Cloudy Spot in Paint After Protective Covering is Removed (Heat Area) #05-08-51-005 - (09/21/2005)



Models: 2005-2006 GM Passenger Cars and Trucks

2005-2006 HUMMER H2

2006 HUMMER H3




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Condition
During Pre-Delivery after the Wrap Guard ? has been removed, some cloudy spots may be present in the clear coat.

Cause
The Wrap Guard? may have had some air bubbles or creases under the material where water may have collected.

Correction DO THIS
Use heat gun to remove the spot.

DON'T' DO THIS
Do Not paint the panel.


Apply heat to the spot using a heat gun for 10 seconds, making sure not to burn the paint.