NHTSA Complaint #11421733 — 2006 CHRYSLER PACIFICA

My 2006 chrysler pacifica van has a corrosive chassis about break into, (meanimg) my engine is about to fall & hit the ground, this is my second chrysler, my first was a 2005 chrysler pacifica, when I bout the first one in 2014 they replace the chassis but I never thought to search Up under this one out of (well) even after I had taken them to a CHRYSLER DEALER no one ever told me at DEALERSHIP that I needed a chassis on either one or the 2005 nor the 2006 chrysler pacifica even when I took them in for services, I just don't understand now nor did I not get the kind of service then, I have put all kind of money in these cars mostly this one, window motor, #5fuel injector,electronic ignition,oil pump sensor,radiator,evac sensor, front struts, brakes,,,,now the chassis the gasket near the water pump ,2nd gas line which they say that I have to replace second fuel line cause it getting to much air which make my gas cap lite come on,,,,,how I mean why , I mean who can I turn to to fix or help me with these issues,