You might find the command "Automatic Bolting" not working as expected.
In the Bolting Dialogue tab Bolting set the Tolerances of Gap and Angle to the value of 1:
Product TechNotes and FAQs
Bentley Technical Support KnowledgeBase
Bentley LEARN Server
Bentley's Technical Support Group requests that you please confine any comments you have on this Wiki entry to this "Comments or Corrections?" section. THANK YOU!