This may have been covered before but I can’t find it. I drive a truck for a living and grease my 5th wheel at least once a month. I’ve also have been looking at other folks that have a 5er and haven’...
I believe it should be greased if it is metal on metal. I use one of those thin plastic or teflon discs that eliminates the need for grease. I guess I should grease the jaws that grip the kingpin though?