I tighten my sway bar link into the rotor side of the link and about every 5 days it come compleatly out of the threading and causes the loud scraping noise, so most weekends i have to put it back in and tighten it. anybody else have this problem? i really dont want to jb weld and i dont know if loctite will hold...any suggestions?

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1977 300D
1986 BMW 528e