SIENNA 2004 LE ATTEMPTING TO OPEN THE PASSENGER SIDE REAR POWER SLIDING DOOR THE MECHANISM MADE A CLICKING SOUND AND THE CABLE SNAPPED. THE MOTOR STILL APPEARS TO BE FUNCTIONING BUT ONE OF THE 2 CABLES OPERATING THE DOOR (BRAIDED METAL CABLE) SNAPPED AND NOW THE DOOR ONLY SLIDES PART WAY OPEN IN THE 'MANUAL' MODE. I HAVE ONLY 83,000 KMS ON THIS 2004 SIENNA LE AND WAS SHOCKED TO SEE THIS FAILURE. HOWEVER, I FEEL LUCKY THAT NEITHER OF MY CHILDREN WERE INJURED BY THE CABLE OR MECHANISM FAILURE. NOW I AM OPERATING THE DOOR IN MANUAL MODE BUT IT IS NOT OPENING CORRECTLY AND I AM WORRIED THAT IT MAY OPEN INCORRECTLY AND CAUSE A SAFETY HAZARD. *TR