2008 GMC ACADIA Power Traindriveline Problems

BOLTS FELL OUT OF FRONT DRIVE SHAFT CAUSING DRIVE SHAFT TO BECOME DISLODGED AND HANG DOWN STRIKING ROADWAY. WOULD ACT AS A VAULT POINT AT HIGHWAY SPEED. MINOR DAMAGE TO BOTTOM OF VEHICLE FROM ROTATING/ BOUNCING DRIVESHAFT. DEALER INSTALLED "AN UPGRADED BOLTKIT" THIS MAKES ME THINK THIS NOT THE FIRST TIME THIS HAS HAPPENED IF THE BOLT KIT IS UPGRADED. *TR

TO STATE RECOGNITION OF THE FACTS: FWD WHEEL-SPIN WAS REPORTED TO ACHIEVE FORWARD VEHICLE MOVEMENT WITH THE CURRENT FWD SYSTEM ON WET SURFACES OF THIS VEHICLE. THE DRIVERS CORRECTION FACTORS TO REGAIN TRACTION INCLUDES, DE-THROTTLE (BACK PEDDLE THE ENGINE) TO LOWER THE TORQUE LEVEL AND THEREBY HOPEFULLY REGAIN TRACTION WITH THE ROADBED WHEN THE ROAD CONDITIONS EXIST AS REPORTED. REPORTED DETAILS TO GM AND DRIVING EXPERIENCES DRIVING ISSUES INCLUDE: 1.CANA TRACTION CONTROL DEVICE BE ADDED TO RETARD THE THROTTLE AND RPM TO PREVENT WHEEL-SPIN? 2.ARE THE CORRECT TIRES / TIRE COMPOUNDS BEING USED? 3.WILL WHEEL-SPIN ENDANGER THE LIFELINE AND LONGEVITY OF THIS TRANSMISSION OR MOTOR? 4.IS DAMAGE IS BEING INTRODUCED INTO THE MECHANICAL PARTS OF THE ENGINE AND TRANSMISSION, WHAT CAN WE EXPECT? 5.THE CURRENT IMPLEMENTATIONS REQUIRE THE DRIVER TO FUNCTIONALITY DRIVE REGAINING CONTROL OF THE FRONT TIRES, WHICH IS CONSIDERED ABNORMAL THEREFORE BECOMING A HAZARD TO THE NORMAL TRAFFIC...

1. WHILE TRAVELING ON AN INTERSTATE HIGHWAY, THE VEHICLE'S "STABILITRAK" CONTROL ABRUPTLY SHUT DOWN, AND THE BRAKES LOCKED WITH LIGHT DEPRESSIONS OF THE PEDAL. (STABILITRAK CONTROLS THE VEHICLE'S TRACTION CONTROL, ANTI-LOCK BRAKES, AND ROLL-PREVENTION PROGRAM.) 2. THE FAILURE HAS OCCURRED APPROXIMATELY 5 TIMES; ON ONE OCCASION, THE ENGINE STALLED IN ADDITION TO THE ABOVE. CONSEQUENCES WERE AS DESCRIBED ABOVE. 3. THE VEHICLE WAS TAKEN ON AN URGENT BASIS TO THE GMC DEALER THE FOLLOWING DAY. THE DEALER ADVISED THAT THE PROBLEM IS DUE TO "PLAY IN THE CAMSHAFT," WHICH SENDS AN ERRONEOUS SIGNAL TO THE STABILITRAK, CAUSING IT TO SHUT DOWN. THE DEALER ADVISED THAT REPAIR WILL REQUIRE REPLACEMENT OF CYLINDER HEADS AND OTHER EQUIPMENT, WHICH IS A DRACONIAN PROCEDURE WHICH WILL TAKE A WEEK OR MORE. IN ADDITION, THE DEALER ADVISED THAT THE PROBLEM IS CAUSING PERMANENTLY DAMAGE TO THE VEHICLE'S DRIVETRAIN WHICH WORSENS WITH MILES DRIVEN. THE DEALER...