The Curt MV Weight Distribution System w/ Friction Sway Control # C17062 sounds like the lift bracket hook may be needing replaced. That hook should easily hold onto the chain link to lift the bar. For this replacement I recommend the Replacement Lift Bracket for Curt Weight Distribution Systems # C17008. view full answer...
As long as the trailer hitch receiver on your 2010 Nissan Armada is an aftermarket hitch like the Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # 13188 which uses 6 M12.5x1.25x40mm bolts you can use the Replacement Hardware Kit # RHK.
When on the product page for the # RHK you will need to select the manufacturer from the drop down, and then type in the model number of your hitch. For example if you had the # 13188 the manufacturer would be Curt, and the model number would... view full answer...