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2003-2009 Nissan 350Z

350Z diff stud over tighten

Old 03-03-2019, 01:41 PM
  #1  
Three50zhr
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Default 350Z diff stud over tighten

So I recently installed a 370z nismo tech diff in my 350z (yes it fits, just use the 370z axle bolts or buy new ones). It has a 3.9 final drive. install went smooth beside the axle bolts the 350z bolts are to thick near the head side(new ones from ace). Anyways after 7 hours of work and stress me being anxious to finish I over tighten the rear diff stud, now it just spins with out tightening at all. Is a new stud simply the answer or will I need a new cover(still have my Oem open diff). Any help would be appreciated! Thanks!
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Old 03-03-2019, 06:11 PM
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dkmura
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Welcome- the answer lies in inspecting the stud itself. Did you damage the threads so badly that it can't be turned with a die? If so, replacing the stud would be your best and most permanent repair.
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