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My Xl has had an underbite since I bought it 4.5 years ago. It appears to be worse now that I installed the new base.  

I have searched past threads and have a plan to try to fix it.  When seeing some of the pics posted of the band carriage bolts, it doesn't look to me like I have mine tight enough.  I don't have a torque wrench and don't plan to buy one.   I have seen several posts which indicate that the carriage bolts will break before the ceramic does.  My question - do I have to worry about possibly breaking the ceramic from overtightening the carriage bolts?  



  • Everything I've read, you don't have to worry about breaking the ceramic by tightening the carriage bolts too much. With regards to the overbite, I added some washers between the band and the hinge to "shim" the dome out which seemed to help.
  • SPRIGSSPRIGS Posts: 432
    Underbite on mine.  I was thinking of trying that.  Not sure what to shim though.  I assume I would need to shim the bottom of the hinge which should push the top of the hinge forward and thus the dome.  

    My bands are not evenly spaced either so i will try to get that corrected.  Most posts suggest that the top of the bottom band should be right up to the bottom of the gasket and that the bottom of the top band should be as low on the ceramic dome as possible.

    Thanks for your thoughts on the carriage bolts.  Mine came assembled form the dealer and they have a slight bend to them but I have seen pictures of bolts that appear to be bent almost 45 degrees.    
    XL BGE
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