I have replaced my lower mount it will not stay tight i even tryed thread locker. I will admit i did kinda make a mistake a while back when i took it out i put antiseeze on it. Is this my problem if so how can i get it off i have tryed wipping it off to no avail pleease help
darkblade j
 
Why did you use anti-seize?  Spray it off with brakekleen or something.  Try the blue type thread lock.  Usually it shouldnt come loose.  Was there any type of locking washer?  It looks like a washer that has been snapped.  Make sure you put one back if you took it off.  A regular washer wont work.
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You need to get rid of the anti-seize before any thread lock will do much.  Like he^^ said try brake clean or some other solvent to get it cleaned up.