MY COMPLAINT IS WITH THE LOAD LEVYING SYSTEM ON THE NISSAN ARMADA. I OWN A 2008 ARMADA AND THE REAR SHOCKS WERE REPLACED SHORTLY AFTER THE PURCHASE BECAUSE OF THE LOSE OF AIR. THE AIR LINES HAVE BEEN REPLACED ON 2 DIFFERENT OCCASIONS AT DIFFERENT DEALERS BECAUSE OF LEAKS. IN JAN. OF 2011 ANOTHER AIR LINE WAS REPLACED AND 2 WEEKS LATER I BLEW AN AIR SHOCK 750 MILES FROM HOME. ONCE AGAIN ANOTHER SHOCK WAS REPLACED AND NOW I HAVE THE SAME PROBLEM, THE SYSTEM WILL NOT HOLD AIR AND IS EXTREMELY DANGEROUS WHEN TOWING. PLEASE NOTE THE MILEAGE, MPH AND DATE ARE FOR THE NEXT TO LAST FAILURE. THE LATEST FAILURE HAPPENS ALL THE TIME. ALSO NOTE THIS IS A COMPANY OWNED UNIT. *TR