OK, I have an 84 with a 700r4 in front of a 208 t-case. I'm having a problem keeping it in 4WD. It tends to jump forward into either Neutral or 2 wheel,depending. It didn't ever do this through the fall winter or early spring months. All of the sudden I want to use it oen day and when I hit a bump it pops into Neutral from 4 Low,then I tried 4 High and into 2 wheel it goes when I hit a bump. It also does it if your like giving it gas and then let up suddenly. I checked the linkage and nothing has been moved.(I know as I undercoated everything under it last summer and got a little sloppy so the linkage was covered,I have since stripped it off the linkage with a wire wheel in a die grinder.) I would love some help so I can go wheelign without haveing to hold it in 4wd with the right foot and use my left to drive...HAHAHAHAHA Not really but I sure would like to be able to use 4wd this hunting season and would love to go wheelign sometime soon.