Loctite threadlocker doesn't seem to be the ideal goo for this job, because if the shaft has been slipping for any length of time there's likely to be a fair amout of space in there, and my impression of loctite is that it isn't great for gap-filling.
There used to be a Loctite product called "stud and bearing mount" which was pretty good for gap-filling, but was so strong that it was impossible to take out a bearing that you'd mounted with it, unless you used heat. Last time I looked they didn't make it anymore.
I'd never seen the Dieselgiant website before, but it is full of information.
Thanks for the tip.

I just looked up the loctite catalogue:
http://type2.com/library/chemicals/loctite.htm

And it looks like this might be the best choice:
085 Bearing Mount/Grade B Yellow 13 13 LOCTITEŽ Product 085 Bearing Mount/Grade B is a medium viscosity, medium strength, general purpose anaerobic sealant. Product 085 Bearing Mount/Grade B is used to lock and seal nuts, bolts, and studs in a wide variety of applications where removal with ordinary hand tools is necessary. This product is also used for mounting bearings, bushings and other shaft related applications.

My guess is that it's a special order item. Usually at an autoparts store the product they have that looks like it will work is #271.

As with any glue, surface prep is important. Both surfaces have to be completely free of oil, and they also have to have enough surface roughness to give the glue something to tooth onto. I have no idea if Loctite primer/cleaner is better than something else that costs 10% as much, so I use it and feel virtuous.

After all that blahblah woofwoof, it sounds like just knurling the shaft a little bit works fine.
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