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Posted by Chriscase [76.221.179.60] on Monday, August 24, 2009 at 09:37:33 :
In Reply to: It's the Taper Pins posted by Will (in IL) [98.214.244.154] on Sunday, August 23, 2009 at 23:25:30 :
So the cap has to shear the pin lengthwise if it is turned.
Plus, taper pins go into tapered holes, which are made by drilling a straight hole, then using a taper reamer. That way, the pin fits the hole and won't fall out later.
Those gear teeth are pretty worn. Note how they have "full contact"- the wear pattern extend all the way to the heel and toe of the tooth. The means the pinion is contacting the edge of the tooth. Probably a bit whiney. Could be more serviceable in the opposing axle- swap it, and it will contact the fresh side of the teeth, and only use the worn side in reverse.