Prinsu roof rack leak

Need some help installed Prinsu rack with butyl and silicone and after four months a leak now has developed under passenger glove box. Has anyone dropped the headliner and can you see the roof rack nut serts from the inside. Thinking of dropping the headliner to see if can identify which set of bolts are giving me trouble only if you can actually see the bottom of the bolts . Any help would be appreciated
 
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