I have a TC29D with about 120 hrs on it. The tilt steering will not stay in any position but vertical. The column seems to have pressure when I pull it back, but it doesn't stay angled. The telescoping mechanism will lock fine. I have read the previous thread discusions but I am unclear if it is the same problem. I tried the lubricant approach, but without any success. I read the repair manual, but it seems to imply that the valve in the end of the cylinder relieves the pressure when depressed by the lever, but this seems backwards. Can anyone clarify this? I don't want to replace the cylinder if i don't need to. Also, is this something I can do with the repair manuals, or am I better to have the dealer do it? I have been reading the boards for about a year and they have been very helpful with my projects, particularly the boxblade discussions. Thanks.