WD40 is a poolr lubricant. Get some real oil and lub the hinge.
93 Ford F350 Turbo Diesel, DRW, Crew Cab. PullRite Hitch. 35' King of the Road 5er, 192 Watts Solar, 2800 Watt Yamaha Generator, 1750 Watt Inverter, 2 Trogan T105 Batteries, Me, my wife and 2 maltize furkids.