WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Apply specified grease to the sliding contact surface of the select lever shoe.
Specified grease:
Mitsubishi Part No. 0101011 or equivalent
Fig 1: Applying Specified Grease To Sliding Contact Surface Of Select Lever Shoe