Over the past year our slides started making a popping sound when bringing it in or out. Was not sure exactly what was causing it and always forgot to check closer when back home. Then one day this week as I was bringing slide in I noticed a ball bearing on floor then realized where all the popping was coming from. Quick look underneath and sure enough rollers were shot.
Below is the process I used to change them out took about 30 minutes to swap them all out.
1st is move slide most the way out and prior to rollers dropping down ramp.
Then with a 4-5’ 2x4 or 2x6 placed under slide where the roller being worked on is at. Use as a lever and lift the slide slightly placing blocks on each side. Only need about 1/2” clearance to swap.
Next while elevated determine which way shaft needs to move to remove. They are spring loaded and you push to one side to remove. I had seen someone mention vise grips but did not follow exactly what they did. What I did was place vice grips on opposite side you would push and pull the shaft out with a screw driver as a small lever. This makes it super simple for removing and reinstalling.
Once removed the extent of wear was obvious. The outer 2 rollers were both completely shot. The middle 2 rollers were ok but I replaced them all. 19 years was long enough for them to carry that weight. Slide moves in and out without any popping now!