1983 930 trailing arm issue
I have a 1983 930 with a hopefully small problem. The passenger side rear trailing arm. Where the shock is bolted to the trailing arm it appears to have a hex shaped part that may be pressed in. That part is actually loose on my car. It won't come out (or Yet) but bangs around when driving. I don't know if it can be replaced, welded in, or even what the trailing arm is made out of. Thanks for any information!