Continuing with the "My family's out of town so I'm doing major maintenance." theme, I repacked the rear wheel bearings and put new axle seals in on the 93. It has been 51,000 miles and I was kind of surprised to find the left side rear bearing again with no trace of grease. I put a Toyota seal and Mobil 1 grease in back then, but it's looking like the recommended 30,000 interval makes sense - especially if you're going to carry loads. I noticed the original Koyo bearings have a "high cap" stamped in them, indicating a heavy rating - nice to know. I don't remember noting that back in October, 2000 when they were repacked at 90,000 miles.