I installed the new grommets yesterday, and it took awhile to do so. I'd say it took me around 3 hours to get it done, but if I had to do it again, I could probably do so in about 45 minutes or less. So for those who would like to benefit by my errors, follow these instructions to get the job done right and quick. I struggled to try and install these things from under the truck. Trust me, with the limited area in which to work , it can't be done this way. The best way is to remove the shifter, and the transfer case gear selector arm and install the grommets on the bench. Even this is hard to do. These buggers are very stiff rubber.
1. Jack up the truck and put on stands.
2. From under the truck take a moment to observe how it goes together. the grommets are not symetrical, and the must go in to the holes from the outside-in direction, with the small hole of the grommet facing towards the transfer case
3. Now remove the linkage, if it isn't already off. Then remove the transfer case gear selector arm, it's a single nut and washer, a racheting wrench works well. You will probably have to pry off the arm.
4.Make usre you mark the arm somehow so it goes back on the exact same way it came off. Again it is not symetrical, and you do not want to install it backwards, or even put the grommet in wrong.
5. Remove the shifter form inside of the truck. First remove the shifter knob. Pry off the center cap of the knob, and use a 15mm socket to remove the nut, then the knob screws off.
6. Next, remove the console, or shifter surround. On mine you pop out the small tray at the back, and remove the two screws, then the front pops out as it is held in with clips. It is best to also unhook the switch wire connector so you can get it out of the way.
7. Remove the three accessible torx bolts that hold in the shifter. Torx socket is best for the front one, torx driver will work for all of the rest.
There ore two more torx screws on the left side under the carpet. You have to get to these by going under the carpet. To get under the carpet, remove the plastic kick panel, and door sill plate and pull the carpet out from under the pedals. This is a pain, but it sure beats cutting holes in your carpet. The molded carpet is tough to hold up, so a block of wood, or a stick, or a screwdriver, or a ratchet, helps to hold it out of the way to get at the screws. Once all of the screws are out, pop out the shifter.
8. Install the grommets. Like I said, these things are pretty stiff, so they aren't going to just push in, I got them started by using a vise, then the blade of a screwdriver to work them in. Use some silicone grease as well.
9. Re-install the shifter, then go under the truck and re-install the gear selector arm. Put some silicone grease on the linkage pins and it will just push right in to place. The reset is pretty self explanitory.
Follow these basic directions, and you can't go worng. The FSM doesn't explain how to do this, so I had to learn by trial and error. I tried several techniques to install these things from underneath, to no avail. I even considered dropping the front axle shaft to give me more room to work, but I'd also risk getting transfer case fluid dripping on me, and possible damage to the seal, and it still wouldnt' be easy to install them anyway.