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1989 Ford F-150 Bolt seized and broke

Tiny
TTMRYN8853
  • MEMBER
  • 1989 FORD F-150
Engine Mechanical problem
1989 Ford F-150 V8 Two Wheel Drive Manual? Miles

i was replacing the intake manifold and the from two bolts seized and broke off. Is there a way to get those bolts out?
Friday, October 8th, 2010 AT 10:18 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You can try penetrating oil but I usually have to use an acetylene torch.

It needs to have a very small but very hot tip so you can get the immediate area red quickly without heating a large area. Heat the head in a circle around the outside if the bolt without heating the bolt.

All this is assuming you have enough bolt left to grab with vise grips or something. If not, you're probably going to have to drill.
If the bolt broke on it's own from vibration and not seizure. It may spin right out with a pick.
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Friday, October 8th, 2010 AT 10:36 AM

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