How to remove a rounded off head Bolt?

Tiny
BOBTHECAMSHAFT
  • MEMBER
  • 2000 VOLVO S70
  • 2.4L
  • 5 CYL
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
Rounded off a head bolt in my Volvo when trying to remove it, used a bolt extractor and it just continued to round it off. I don't know how to get it out at this point.
Wednesday, July 23rd, 2025 AT 8:02 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,233 POSTS
If you are taking it apart anyway, grind or drill the head off. Remove the head and use vice grips to remove the shank. Coat the drill and the area around the bolt in grease to catch the chips.
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Wednesday, July 23rd, 2025 AT 9:49 PM

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