Front strut top nut won't tighten down.

BDog21

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I just replaced all 4 struts and had no problem except the last one I did. The front passenger side. I can't get the top nut that holds the assembly together to tighten down far enough. The driver side there is about 7-8 threads showing, which is how the stock struts were, but the passenger side I can only get to tighten down to show about 3-4 threads, and it's causing a clunk when I drive. Yes, I'm using a smaller wrench to hold the rod from spinning, I've tried it with the car on the ground, lifted up, and also had the car on jack stands and put a jack under that wheel and forced it up to compress the spring and that's as tight as that nut will go. Everything appears to be lined up, springs are seated in the upper and lower parts of the mount correctly, it was installed the same way it came out, everything was marked prior to removal and disassembly and lined up the same way when reinstalled. Any ideas what could be stopping the nut from tightening down as far as it should?
 

rgorke

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Can you post some pictures? Have you tried loosening all of them and starting from there again? Did you replace all the nuts with new ones? Is the stud in question stripped/cross threaded in any way?
 

04_Sport_LS

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Check the rotation of the upper plate to spring top. Same with the bottom of the spring and the lower isolator.

It's possible the top shock plate isn't "clocked" correctly. Take a good look if the top plate is not flush with the underside of the shock tower. It may need to be rotated 1/4 turn one direction or the other... or half a turn.
 

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