Originally Posted by
Trekbikedude
The shifters get gummed up inside. You gotta take the top cap off and put some type of other lubricant in there like tri flow, liquid graphite or wd 40, which isn't a lubricant, but a degreaser. They should index after you do this. I would reccomend the liquid graphite because that's what we do in the shop.
It seems that the tri flow did the trick. I appreciate all of your help. This winter I'll tear down the shifters and give them a really thorough cleaning. Thanks again to all who offered suggestions.
-Podolak