Page 31 .... Hummmmm ... could depend on what version of service manual you are veiwing.

I will say, that if the service manual is followed from start to finish, that would eliminate "most" of any problems that could arise.

There is a shifter mechinism adjustment that must be done/adjusted correctly.

I must say, it's Kind of hard to help with something like this without being there in person. Pictures "might" help