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Not sure but sounds like the same type of problem we had on our Adventurer about 3 yrs ago. Our largest slide got slightly out of alignment and about 6 teeth stripped off the pinion gear on a Lippert rack and pinion ram (2 large rams on the largest slide). The rack was OK. I managed to creep the slide back in, applying pressure to the external end of the wall on the broken end while my wife pressed the retraction button. We were able to set the locking mechanism for travel.
We made it fine to a shop who ordered a new pinion gear and ram. It seemed to be a relatively easy replacement- not too much effort on the service department's part- maybe 2 hours or so of work. Covered under warranty but it took a few weeks to get the new ram shipped in.
The only explanation I could get out of Lippert was that they probably had a batch of bad steel come in for the pinion gear (understatement?). Throughout the process of repairs I became more and more amazed at what was potentially a good design, but with lousy parts and workmanship from the factory.
I used to be intimidated by slide alignment on large ram slides. But I researched the dickens out of it gathering tech sheets everywhere I could and got the slide adjusted and aligned myself working with stop and alignment bolts on the ram system. I also found and repaired a sheered adjustment bolt that no one had seen in previous repairs that has been a major contributor to problems.The slide has been working well now for about 2 years.
I agree factory repairs are always the best, but I found that major dealerships/RV repair shops with qualified staff can pretty easily deal with ram and adjustment issues.
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Joe a/k/a "Americanrascal"
2016 Winnebago Adventurer 38Q +tow dolly
8th RV to sit in our driveway in 50 years
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