Newly acquired 06 SUT, came out from the grocery store noticed some digging on the windshield and side windows. Checked the antifreeze level, it's full, will monitor for possible heater core leak. Are there any other things that may cause moisture that is a know problem child? Thank again.

 

Lots of known leaks on an H2.... not a matter of if one will leak, its a matter of when and where from.

Roof lights are the most common spot. Then weather stripping on the body above the doors, sunroof drains, then much less common are body seams on the roof and the windshield sealant. Check for damp carpet on both sides.