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Old 07-06-2012, 02:34 PM   #1
Kramruuk
 
Drives: 2007 Toyota Yaris 5 speed
Join Date: Jun 2012
Location: Brighton, Ontario Canada
Posts: 2
Left lower suspension arm rear bolt broken.

Any ideas for getting my left front control arm off so that I can access the broken bolt that needs to be removed and replaced.

The head snapped off (while driving), but the remaining shaft of the bolt is holding the arm and preventing me from removing the part.

I've been advised to drill it out.

Any other ideas before I start drilling?
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Old 07-07-2012, 05:42 PM   #2
Lux
 
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Drives: NCP91
Join Date: Jul 2012
Location: Markham, Ontario, Canada
Posts: 114
This was a common problem on the older Vitz/Echo (frame code NCP1x series) as well. The problem is that the bolt will corrode and fuse itself with the bushing carrier (specifically: its inner race) that it passes through before treading into the subframe. From my experience, here are your options....
  • MIG weld a new head onto the bolt shank and attempt to back it out again. Use heat on the bushing carrier to help.
  • Use a cutting torch and cut the arm off from the body, then slice the bushing carrier off by making two slits in the shell to expose the rubber bushing (which is probably already on fire at this point). Melt the bushing away to expose the bushing inner race (sleeve). This is where the bolt has seized itself inside. From here, you can either:
    • cut the bushing inner race off along with the bolt shank then blow the entire seized bolt/race out through the subframe and save the threads, or
    • use large Vise-Grips or weld some makeshift lever onto it and to try to back it out.

Both methods will take a tremendous amount of patience and expertise... Good luck!
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