THE HYDRAULICS ON MY TAILGATE FAILED SUDDENLY. I ALWAYS USE THE POWER LIFTGATE TO OPEN MY TAILGATE, BUT THIS TIME WHEN IT REACHED THE TOP, THE TAILGATE SUDDENLY DROPPED SEVERAL INCHES, WHEN THE GAS STRUTS SHOULD HAVE TAKEN OVER THE WEIGHT OF THE TAILGATE. I WAS STANDING UNDER THE TAILGATE AT THE TIME WHEN IT HAPPENED, AND IT HIT ME ON THE HEAD, BEFORE THE POWER LIFTGATE TOOK OVER AGAIN TO CLOSE THE LIFTGATE . IN MANUAL MODE, THE GAS STRUTS DON'T FUNCTION AT ALL NOW. MY VEHICLE IS 21 MONTHS OLD. IT IS BOOKED INTO A DEALERSHIP TO INVESTIGATE THE FAILURE. *TR
2009
ELECTRICAL SYSTEM
THE VEHICLE IS EQUIPPED WITH A GEAR DRIVEN POWER LIFTGATE THAT OPENS AND CLOSES THE REAR HATCH AT THE TOUCH OF A BUTTON. I APPROACHED THE REAR HATCH OF THE ACADIA TO LOAD GROCERIES, AND SIGNALED IT TO OPEN. THE HATCH POWERED OPEN NORMALLY TO ITS FULL HEIGHT. I WALKED UNDERNEATH IT. WITH NO WARNING, THE HATCH SUDDENLY FELL AND STRUCK ME IN THE HEAD / BACK OF NECK / SHOULDER AREA. IT HIT HARD ENOUGH TO CAUSE SERIOUS INJURY. *TR