My tt is a couple of monthes old, the grey water valve is sticking, i put spray on lithium grease on rod, but it's still sticking, any suggestions appreciated.
Your handle slides in and out of a square plastic piece...drill a small hole in the middle of the square housing...screw in a grease zerk so you can shoot grease into the housing....work it back and forth and if it starts sticking again, shoot some more grease