Re: LF lug nuts loosening - Saab 9000 Bulletin Board - Saabnet.com
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Re: LF lug nuts loosening
Posted by Craig [Email] (more from Craig) on Mon, 15 Jan 2018 10:11:49
In Reply to: LF lug nuts loosening, DickT [Profile/Gallery]
, Sat, 13 Jan 2018 14:57:39
That's interesting, I've never had this happen on my 9k and didn't realize it was a common thing. Back in the old days they would actually use left threaded studs on one side of a car to prevent this. I have had a hub bolt come lose periodically before I replaced it, but they are a one time use deforming bolt so a bit of a different story
I wonder if you lug bolts aren't damaged from previous overtorquing though, it might be worth trying to replace them as a cheap solution. Be sure not to lube the threads, and maybe spray some brake cleaner in the lug threads to make sure they're clean too. Wire brush the back of the wheel and mating surface of the rotor to ensure they're a flush fit as well.
That said if over tightening is the solution you could just stick with that, I'm sure 90% of cars on the road have over tightened lugs, or blue loctite if absolutely necessary.
posted by 66.169.93...
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