2002 OLDSMOBILE AURORA Suspensionfrontmacpherson Strut Problems

CLUNKING NOISE IN FRONT END/UNDERCARRAIGE, ON TURNS OR BUMPS, CAN BE FELT IN STEERING, SINCE 15000 MILES (NOTICED SOMETIME AFTER IMPLODED GAS TANK REPLACEMENT). FOUR DEALERS WORKED ON AT LEAST 10 TIMES - REPLACED STEERING GEAR, LUBED INTERMEDIATE SHAFT, REPLACED STRUT BEARINGS, REPLACED INTERMEDIATE SHAFT, REPLACED REAR SHOCK - STILL CLUNKS OVER BUMPS AND STEERING GRINDING NOISE IS BACK SINCE INTERMEDIATE SHAFT REPLACEMENT. AFTER STEERING GEAR REPLACEMENT AT 26750, SEVERE VIBRATION WAS NOTICED; TOOK FOUR ATTEMTS (3 DEALERS) TO MAKE ACCEPTABLE FINALLY AT 36137. HEADLAMPS FLICKER INTERMITTENTLY, GENERATOR REPLACED AT 30311, 4 DEALERS SAY IS NORMAL. FUEL FILLER DOOR STILL STICKS INTERMITTENTLY, AT LEAST 3 REPAIR ATTEMPTS. CAR DOES NOT FEEL SAFE WITH FRONT END/STEERING/UNDERBODY CLUNKING - FEELS LIKE SOME COMPONENT(S) IS DEFECTIVE OR PREMATURELY WORN OUT - EACH DEALER MADE REPAIR ATTEMPT, THEN WHEN UNSUCCESSFUL SAID VEHICLE WAS NORMAL. ONE DEALER NEVER ROADTESTED VEHICLE. LAST DEALER MECHANIC SAID NEEDED...