75sv1 Posted April 24, 2017 Share Posted April 24, 2017 I finally, installed a motor I replaced the crankshaft in. I didn't put any grease in the 'pilot bearing' hole in the crankshaft. Last time I put in some bearing grease. It was a bit hardened, when I took out the engine. I didn't see any mention of putting in grease in this location in the FSM. Do you run this area dry or not? I don't want to disassemble this if I don't have to. Still, I don't have the manifold or other stuff bolted on yet. Tom Link to comment Share on other sites More sharing options...
ParadiseMJ Posted April 24, 2017 Share Posted April 24, 2017 When I installed the AW4 for the first time in my Jeep, I did not put any grease in the pilot bearing hole. A few years later I replaced the old torque converter. I did fill the hole with grease the second time, just because it seemed like a good idea. The life of the torque converter will far outlast any kind of grease/lube etc. you'll put in there. Neither time have I used a pilot bearing. I removed it form the crank because I was swapping manual for auto and there was no room for a pilot bearing. It didn't call for one as far as I could tell. Link to comment Share on other sites More sharing options...
75sv1 Posted April 26, 2017 Author Share Posted April 26, 2017 Thanks for the reply. I did talk to my neighbor. He works as a mechanic, usually at a Jeep Dealership. Was actually putting in a trans into his Dakota. Said dry unless needle bearings or such. So, I'll skip the lube for now. I might have the trans rebuilt sometime latter. Also, the FSM says to grease the splines on manual trans. Just so no one mistakes that. Link to comment Share on other sites More sharing options...
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