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Posted by David Sherman [216.18.131.80] on Saturday, November 28, 2009 at 09:51:53 :
In Reply to: Bearings and seals posted by Jack McDevitt [65.175.163.51] on Saturday, November 28, 2009 at 08:14:29 :
When it comes to bearings and seals, the most certain method is to take out the old ones, read the numbers off them, and go to a good bearing house for replacements. I know it's nice to have all the parts on hand when you start the job, but for me at least, invariably something will be wrong and you'll have to get a different part anyway. I recently changed the pinion seal and a U-joint on my old chevy pickup. I wanted to work on it over the weekend so I got the seal on friday. The The guy at the local auto parts looked on the computer and through the books and said it could have been one of two different seals depending on which axle I had. Since I didn't know for sure which axle I had, he gave me both, along with the U-joint and said I could come back on monday and pay for whichever one I used. Naturally, when I got the old one out, I saw it was different from either of the new ones, and I had the third type of axle, which was indeed listed in the book but it was kind of confusing and somehow we missed it. Since bearings and seals are almost always standard parts and all the bearing houses can cross-reference them by the numbers stamped in them, unless I've worked on that actual part before, I'd rather take the thing apart and go by the numbers stamped on the actual parts, even though that might mean the truck or other machine is down for a week (worst case) waiting for parts.