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I've attached a couple pictures of the axles from my solid-axle TR4A. A couple questions:
1. The pictures show rust patches on the axles, the lower one being the worse of the two. Can I just sand this off, or will that leave me with a weak area that might eventually lead to cracking and breaking?
2. I've measured the hub runout as 4 mils on one axle and 10 on the other. This was measured at the outer edge. 4 mils might be OK, but 10 strikes me as too much. I can't find a spec for this in the shop manual. Does anyone know the spec, or lacking that, I'll take opinions?
3. The rear axle had only a few ounces of oil in it, so I'm a bit worried about the differential bearings. Is there any easy way to check these short of taking it all apart? I can't feel any looseness, but that doesn't always mean something.
Thanks for any ideas, either hard info or just opinions.
1. The pictures show rust patches on the axles, the lower one being the worse of the two. Can I just sand this off, or will that leave me with a weak area that might eventually lead to cracking and breaking?
2. I've measured the hub runout as 4 mils on one axle and 10 on the other. This was measured at the outer edge. 4 mils might be OK, but 10 strikes me as too much. I can't find a spec for this in the shop manual. Does anyone know the spec, or lacking that, I'll take opinions?
3. The rear axle had only a few ounces of oil in it, so I'm a bit worried about the differential bearings. Is there any easy way to check these short of taking it all apart? I can't feel any looseness, but that doesn't always mean something.
Thanks for any ideas, either hard info or just opinions.