2009 TOYOTA 4RUNNER Engine And Engine Cooling Problems

I AM FILING MY SECOND COMPLAINT ABOUT MY 2009 TOYOTA 4RUNNER. MY FIRST COMPLAINT WAS FILED IN FEBRUARY 2010. I COMPLAINED TO MY DEALERSHIP ABOUT THE PROBLEM SINCE RIGHT AFTER PURCHASING THE 4RUNNER WHICH WE BOUGHT BRAND NEW IN MAY 2009. THE PROBLEM OCCURRED WHEN SLOWING DOWN TO TURN CORNERS TO ABOUT 15 MPH, AND THEN STEPPING ON THE ACCELERATOR TO SPEED UP, THE CAR REVS, SOMETIMES 2500-3000 RPMS BEFORE THE TRANSMISSION ENGAGES AND WE LURCH FORWARD. NOW, 17 MONTHS LATER AND MANY TRIPS AND E-MAILS TO MY DEALERSHIP, WHO CAN'T GET A RESPONSE FROM TOYOTA THAT MAKES SENSE, AND MY 4RUNNER STILL EXHIBITS THE SAME PROBLEM. MY HUSBAND HAD A KIDNEY TRANSPLANT IN AUGUST 2009, WHICH REQUIRES TRAVEL TO A BIG CITY ABOUT 90 MILES FROM HOME SEVERAL TIMES A MONTH, THAT HAS HEAVY TRAFFIC FLOW. LAST WEEK, I HAD TO MAKE A QUICK ACCELERATION TO MERGE INTO ONCOMING...