John Lee Pettimore

2003 Passat passenger side assembly is loose. It is the internal part of the assembly. I can't definitively tell if the internal part bolts to the rest of the assembly or if it is one piece. I assume that the A6 and passast assemblies are alike. The internal assembly is very loose and shakes the light beam every time I go over a bump. Do I need to just take out the headlight assembly and tighten the loosen part? or can I do it while its in place. Worst case does the whole $130 assembly need replaced or just tightened?