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I dropped my final drive with the original intent of replacing the three stub axle and pinion oil seals but now I only seem to have succeeded in opening a can of worms. On the pinion oil seal, I thought I could follow the two simple steps outlined in the Bentley manual (51.20.01) of 'fit a new oil seal' and 'refit the drive flange'. But after the fact I see in the Moss Motors catalog where there were two types of pinion spacers used; a collapsible one and a solid one, used with shims, and that if you have the collapsible one and you loosen the pinion flange nut (which I have, to get to the seal) you're basically screwed, and will need to replace the ring/pinion with a solid spacer compatible type. That is definitely out of my comfort zone! Can I even tell which style spacer I have without removing the differential from the casing?
Second issue I'm running into on the stub axle seals; Once the stub axles were out of the housing, I had my local machine shop press off the bearings, so I could get the oil seals out. What I noticed on the right hand stub axle was some serious grinding on the shaft - I assume where the bearing sits (see picture). So I'm guessing that a previous bearing failed and caused the damage. So wouldn't they have had to move the replacement bearing outboard to avoid this area? And what is the proper location of the bearing on the shaft anyway? Also, various drawings of the stub axle show a raised shoulder that must be used to locate either the bearing or drive flange up against, but I see no sign of my stub axles having this feature.
Second issue I'm running into on the stub axle seals; Once the stub axles were out of the housing, I had my local machine shop press off the bearings, so I could get the oil seals out. What I noticed on the right hand stub axle was some serious grinding on the shaft - I assume where the bearing sits (see picture). So I'm guessing that a previous bearing failed and caused the damage. So wouldn't they have had to move the replacement bearing outboard to avoid this area? And what is the proper location of the bearing on the shaft anyway? Also, various drawings of the stub axle show a raised shoulder that must be used to locate either the bearing or drive flange up against, but I see no sign of my stub axles having this feature.
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