Break-in period for rebuilt tranny?
Posted: Mon Nov 09, 2020 12:16 pm
I posted this on Mirafiori, but here is my question again in case there are any thoughts from you folks. I had to take apart the transmission in my '69 to fix a countershaft (layshaft) issue, and while I had it all apart, I figured I'd splurge on new bearings, shift forks, shift collars, synchros and their springs, etc. I put it all back together and took it for a drive.
Everything seems fine, but it does seem like it takes more force to push it into gear (1st through 4th) than I'm used to. I'm guessing this is because all the shifting components are basically new, and it may take a while for things to smooth out. I'm just curious if any of you have totally rebuilt your transmission, and if there was a "break-in" period where the shifting was a bit notchy. I can certainly live with it, and my expectation is that it will get smoother, but I've never done this much work on a transmission before. By the way, I am using Miller's GL-1 oil, and the transmission case is filled up to the bottom of the fill plug.
Thanks, Bryan
Everything seems fine, but it does seem like it takes more force to push it into gear (1st through 4th) than I'm used to. I'm guessing this is because all the shifting components are basically new, and it may take a while for things to smooth out. I'm just curious if any of you have totally rebuilt your transmission, and if there was a "break-in" period where the shifting was a bit notchy. I can certainly live with it, and my expectation is that it will get smoother, but I've never done this much work on a transmission before. By the way, I am using Miller's GL-1 oil, and the transmission case is filled up to the bottom of the fill plug.
Thanks, Bryan