Creak when reversing the fifth wheel

Thanks all for your input, I’m in a rv site so may not beable to lift the wheels unless on the jacks, I was going to use the ez bearing fill method to clear out the old until the red new grease came out of the sides and keep wiping away the old with the wheel in place, unfortunately camping world screwed up my order for a new upgraded pin box so I’ve lost faith in there ability to do this. I’m hoping this may elevate some of the cracking when reversing into a spot which isn’t straight. Heading north through the Carolina’s so will ultimately find a trailer place for a brake service