It sounds like you still have air in your hydraulic system. After I had my anti-creep valve replaced, I did get some creeping periodically. I ended up putting the slide in and out 6 to 8 times in a row. I also put the slide locks on when it was in. After about 6 months I found the creeping had stopped and now I don't use the slide locks anymore. As for Gaffney, sorry I can't be of much help, only that Freightliner is not response for nor do I believe they do any work on parts of the Motorhome other than what they manufacturer at the factory. Hope that helps. Craig
Finally completed all State visits in August 2011 with a trip to North Dakota.