Stripped Swing Arm Bolt Head (14mm) Help! - BMW Luxury Touring Community
 
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post #1 of 5 Old Apr 10th, 2014, 10:16 pm Thread Starter
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Stripped Swing Arm Bolt Head (14mm) Help!

Hi all,

Was trying to do the slave cylinder weep hole project and found that someone previously had probably tried to do the same project and stripped both 14mm hex end swing arm pivot pins. The left side bolt wasn't torqued and came right out, but the right side is stuck and I'm not sure how to get it out.

I'm afraid that I really need to get it out in order to index the drive shaft and I want it right, but I'm not sure how to get it out (what size easy-out could handle the torque without breaking?)

Any suggestions? Recommendations where to order the replacement bolts?

Thanks!
-Joe


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Last edited by JoeTerry; Apr 10th, 2014 at 10:22 pm. Reason: Typo
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post #2 of 5 Old Apr 10th, 2014, 10:34 pm
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Re: Stripped Swing Arm Bolt Head (14mm) Help!

Sounds like you have inherited some grief.
If the 14 mm bolt head is really shot maybe one of these twist on sockets
might help. ( see attached ) Sorry not sure what they are called.
Think these are from JohnZ. IIRC
Not supposed to use locktite either, but maybe the PO did.
Wont hurt to use some heat to help, or maybe some thread penetrate.
Need a couple of new parts.
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Last edited by Hilton; Apr 10th, 2014 at 10:41 pm.
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post #3 of 5 Old Apr 10th, 2014, 10:49 pm
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Re: Stripped Swing Arm Bolt Head (14mm) Help!

Hilton is correct and I just called them external easy outs. The bolts are available at the dealer for about $45 (P/N 33 17 2 332 148). If you cannot get it free then you can still get the swing arm out but you have to drop the exhaust and the cross member. If the one that is out is the right side then pull the dive shaft and you should be able to swing it out without removing the exhaust. The trick when re installing them to the correct torque is to have both threads bone dry (no lube , no loctite). I had lubricated mine and was not able to remove one of them when I did my clutch job because they had been over torqued.

John
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post #4 of 5 Old Apr 10th, 2014, 11:23 pm
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Re: Stripped Swing Arm Bolt Head (14mm) Help!

Quote:
Originally Posted by JoeTerry View Post
Hi all,

Was trying to do the slave cylinder weep hole project and found that someone previously had probably tried to do the same project and stripped both 14mm hex end swing arm pivot pins. The left side bolt wasn't torqued and came right out, but the right side is stuck and I'm not sure how to get it out.

I'm afraid that I really need to get it out in order to index the drive shaft and I want it right, but I'm not sure how to get it out (what size easy-out could handle the torque without breaking?)

Any suggestions? Recommendations where to order the replacement bolts?

Thanks!
-Joe
Weld a nut on the end and remove it.

True Wisdom Only Comes From Pain.


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post #5 of 5 Old Apr 12th, 2014, 3:28 pm Thread Starter
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Re: Stripped Swing Arm Bolt Head (14mm) Help!

Got the swing arm bolts out with an external extractor and have two new ones ordered. I've otherwise completed the weep hole drill and just need to reassemble the swing arm and final drive and she's ready to roll again. Thanks guys.


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