2007 NISSAN 350Z Engine And Engine Cooling Problems

2007 350Z COUPE V6 6SP MN TRANS, AT THE POINT OF 20,000 + CLUTCH SLAVE CYLINDER FAIL AND WAS REPLACE 15<00 MILES OR SO DUE TO THIS PREVIOUS PROBLEM A NEW CLUTH AND TRANSMISIONS JOB WAS DONE LUCKLY UNDER WARRANTY BUT A SORPRISE FOR A NEW CAR NOW AT 49,000 MILES ENGINE JUMP TIMMING AND ENGINE NEED TO BE REPLACE LUCKLY I PURCHASE EXTRA WARRANTY BUT IT WAS NOT USE SINCE NISSAN REPLACE ENGINE FREE OF CHARGE THIS TELLS ME THEY KNOW SOMETHING ABOUT THIS FAILURES ON THEIR CARS NOW MY NEW ENGINE DOES NOT MATCH MY ODOMETER READING IS LIKE A PURCHASE A SECOND CAR SINCE ALL MAYOR COMPONENTS HAVE BEEN REPLACE. *TR