One of the issues I've been having with this Landcruiser is that she leaks a lot of oil. I noticed excessive amounts were coming from the seam between the back of the alternator and the vacuum pump. The pump is held on by three little bolts, I figured I'd open it up and have a look.
Sure enough, when I got the vacuum pump off I saw what the problem was. There is supposed to be a rubber O-ring that forms the seal between the alternator and the vacuum pump. Looks like when the previous owner replaced the alternator they forget to put this o ring back in.
I measured the grove to figure out the size of the o ring and then bought a generic one at the parts store. Unfortunately I did not realize that the proper OEM o ring is much thinner then the one I got, and when I tried to tighten the vacuum pump back in I ended up cracking the housing. Bummer. Now I need to replace it.
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