Originally Posted by
kycycler
The lube is a good idea. I think that you should clean the pod mechanism first than relube. You can use something like carburetor cleaner.
Carb cleaner can be too agressive for the plastic parts. I'd soak it in Odorless Mineral Spirits with a lot of agitation. Then shake or air-blow it dry and relube with Tri-Flow or similar light lube. This technique has resurected a lot of STI brifters and should work on MTB shifters too.