emjay
+1y
should be 6 10mm bolts for the gasket that mounts on the cab around the shifter, and 3 10mm bolts around the shifter. everything else should be easy piesy.
upon a second reading, I realized what you meant. That part isn't serviceable. What I've done in the past is to wrap that part in electrical tape, and fill it with silicone RTV (black). I let it sit overnight, and it held up for a couple of years.