2002 MONACO COACH KNIGHT Structurebody Problems

SEPARATION OF FIREWALL FROM FLOOR BOARDS. THIS IS A STRUCTURAL FAILURE AND ALLOWS EXHAUST GAS FROM GENERATOR TO ENTER INSIDE OF MOTORHOME. MECHANIC AT RECENT OIL CHANGE AND GENERATOR SERVICE NOTICED SCREWS MISSING FROM FIREWALL TO FLOOR BOARD CONNECTION. THERE IS A HORIZONTAL SEPARATION OF APPROXIMATELY 1/8 INCH AND A VERTICAL SEPARATION OF 3/16 INCH. ALL OF THE SCREWS, EXCEPT FOR ONE, WHERE MISSING OR SHEARED OFF. THERE IS NOW A GAP BETWEEN THE FLOOR BOARD TO FIREWALL MOUNTING. UPON STARTING THE GENERATOR TO VERIFY OPERATION AFTER OIL CHANGE AND SERVICING, DIESEL EXHAUST FUMES COULD BE SMELLED INSIDE THE MOTOR HOME. THE GENERATOR WAS RUN FOR APPROXIMATELY 5 MINUTES AND THE YOU COULD SMELL THE DIESEL EXHAUST FUMES IN THE FRONT HALF OF THE MOTOR HOME. I CONTACTED MONACO COACH CORP. TWICE, ONCE BY PHONE AND ONCE BY EMAIL TO THEIR TECH SUPPORT. THE CALL TO MONACO WAS ON 10...