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[1jzdreamer]

Originally Posted by Xen2050

I had no idea that star thing was a cover, I called a few parts shops asking for a weird socket that would fit it. I didn't want to try pulling apart the whole thing without the right socket, and I wanted to "practice" pulling apart a junkyard car before trying it "for real", now I'll try pulling the pin and prying off the cover.

This is exactly the info I've been looking for, I didn't see a cover mentioned in the Chilton book or in any other posts I'd found yet. Thanks!

Its a lock. The cotter pin holds the cap and stops the nut from backing off if it were to try to. Once you pull the cotter pin out the cap should fall off.