Join Date: Dec 2009
Location: Englewood Colorado
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Re: New Transmission: Break in period & shift problems
OK...dont have a manual transmission, but I have owned plenty of vehicles with them. First is to confirm the shifter linkage has been adjusted properly and the bushings arent worn out or misaligned. I can tell you with my son's 98 Jeep Wrangler, some of the shifter bushing were worn out and making it difficult to shift. Did you install the transmission or did someone else? If someone else, first thing I would do is take it back to them and demonstrate the problem.
I certainly have never heard of having to break them in. My experience has been they either work right or they dont. And if it is not shifting well, it is either a shifter linkage or a fork issue (forks are what are inside the transmission and slide the gears around engage/disengage. Occasionally because the reverse gear is often non synchronized, that you have to put it in another gear first and then put into reverse (e.g. dont go directly from neutral to reverse). Second thing on reverse, is you sometimes have to just ease the clutch out to the friction point and it will drop into reverse. Dont really know who to describe it other than you have to play around a bit with engagement and rpm on a whole lot of manual transmissions to get them to go into reverse.