2008 CHEVROLET TRAILBLAZER Power Trainautomatic Transmission Problems

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT WAS EXITING THE VEHICLE WITH THE ENGINE OFF AND THE VEHICLE INDEPENDENTLY BEGAN ROLLING BACKWARD. THE DRIVER'S DOOR KNOCKED HER DOWN AND SHE SUFFERED MINOR INJURIES. THE VEHICLE CONTINUED TO ROLL INTO THE STREET WITHOUT INCIDENT. THE CONTACT DID NOT TAKE THE VEHICLE TO THE DEALER FOR DIAGNOSIS OR REPAIRS. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGES WERE 26,000.

2008 TRAILBLAZER SHAKES FRONT END AT HIGHWAY SPEED, AND TRANSMISSION BOGS DOWN TRAVELING NORMAL SPEED AS WELL. *TR

RENTED 2009 CHEVROLET TRAILBLAZER SUV FROM NATIONAL CAR RENTAL ON 8/31/08 WITH 436 MILES ON ODOMETER. DROVE APPROX 800 MILES OVER A PERIOD OF 7 DAYS. ON 9/6/08, WHILE DRIVING ON I-75 SOUTHBOUND AT 70MPH, VEHICLE SHIFTED ITSELF INTO 3RD GEAR, WOULD NOT GO INTO 4TH OR OVERDRIVE. RPM'S AT 70 MPH WERE APPROX 3,500. PULLED OFF ROAD AT INTERSTATE EXIT, TRANSMISSION MADE A "CLUNK", JOLTING ME AND MY WIFE RATHER INTENSELY. TOPPED OFF THE FUEL, QUITE GINGERLY BEGAN OUR TRIP AGAIN. AS VEHICLE REACHED 45-50MPH, IT DOWNSHIFTED ITSELF INTO 3RD GEAR, JUMPING THE RPM'S AND CAUSING THE VEHICLE TO LURCH HARSHLY. CALLED NATIONAL, REQUESTED THEY "TALK US IN" TO SAGINAW, MI OFFICE FOR VEHICLE EXCHANGE. NATIONAL REP TOLD ME SHE "COULD NOT READ A MAP" AND "CAN'T TELL WHAT EXIT YOU SHOULD TAKE TO GET HERE". WE ONCE AGAIN PULLED OFF THE ROAD AT AN EXIT, SLOWED TO A...