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Old 06-20-2013, 11:14 PM   #1
storm-chaser
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Default HELP! Broken Cam Journal Bolt!!

Well title pretty much says it all. I had my torque wrench set to 7ft-lb per the manual for this cam journal bolt but it lightened up before I got it torqued, and I went a littler further and snap. The bolt sheered about 1/4" below the head surface. What do you guys think? I really don't want to take the head out again. ARG! Ez out? I just don't have a lot of room to work with...



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Old 06-22-2013, 11:35 AM   #2
Storm
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Carefully drill into it and try an EZ out. The force should be relieved from the threads, so it should back right out.

Good luck,
Jay
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Old 06-22-2013, 11:22 PM   #3
storm-chaser
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Originally Posted by Storm View Post
Carefully drill into it and try an EZ out. The force should be relieved from the threads, so it should back right out.

Good luck,
Jay
Thank you. That's exactly what I did. I found a little drill, the Skill iXo was perfect for the job. It has a 90* adapter that gave me just enough room to work with. A normal right angle drill adapter would not have worked. So $40 bucks later and the broken bolt is out! Dealer didn't stock em though, so I have to wait until Tuesday before they get here. I'm at a standstill until then.
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Old 06-23-2013, 09:39 AM   #4
Storm
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Good deal. FWIW, use the appropriate torque wrench that reads in INCH-LBS for those 8 bolts. Get 8 by the way, because you have no doubt compromised the other 7. I remember years ago, a misprint in the FSM cost many folks some money by breaking these bolts. The caps closest to the cam pulleys have a lower torque value than the other caps. Go back and confirm it before tightening.

Personally, I don't torque these caps....I have done enough of them over the years to go by feel. I still torque the other cam cap bolts though.

Good luck!
Jay
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Old 06-24-2013, 01:44 PM   #5
storm-chaser
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Quote:
Originally Posted by Storm View Post
Good deal. FWIW, use the appropriate torque wrench that reads in INCH-LBS for those 8 bolts. Get 8 by the way, because you have no doubt compromised the other 7. I remember years ago, a misprint in the FSM cost many folks some money by breaking these bolts. The caps closest to the cam pulleys have a lower torque value than the other caps. Go back and confirm it before tightening.

Personally, I don't torque these caps....I have done enough of them over the years to go by feel. I still torque the other cam cap bolts though.

Good luck!
Jay
The 4 on the right side were only torqued down once, and that worked just fine. I had to swap some shims and buckets on the other side, and I think that's partially to blame for the bad bolts. Since I torqued them, removed them, and then installed them again.
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Old 06-24-2013, 09:51 PM   #6
geronimo81
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I had this happen on my wrx rebuild. Luckily the bolt broke with a little thread showing above the surface and I got it out no problem.

Stupid manual said to torque it the same as the other cam caps. I should have known that was false since the bolt is so much smaller.
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