twiddler

I have an 87 honda accord dx 5sp. I purchased used for $700. It ran fine for several months, then my drivers side rear wheel upper control arm broke. My wheel caved in and I had to tow my car back home. I replaced the upper control arm no problem, but now I have this rattle sound comming from the same tire. I replaced the bearing thinking it may have gone bad, but it still rattles. I checked the pads, the rotors, the strut. Can't seem to pinpoint the issue. I'm afraid to keep driving it incase something else goes wrong. I'm wondering if there maybe another joint that has come loose, and how can I check?