MY 2005 SIENNA MINIVAN HAS A REAR DOOR THAT KEEPS FALLING DOWN ON ITS OWN. WHAT'S WORSE, BECAUSE THE SIENNA IS EQUIPPED WITH A MOTOR TO PULL THE DOOR BACK, THE DOOR KEEPS PULLING BACK NO MATTER WHAT THE RESISTANCE IS. IT HURT MY 2 YEAR OLD SON SO BAD WE HAD TO TAKE HIM TO EMERGENCY ROOM FOR THE BRUISES. *TR