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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Anyone helicoiled the L130 (black bolt)? /cgi-bin/YaBB.pl?num=1167480768 Message started by cybofax on 12/30/06 at 04:12:48 |
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Title: Anyone helicoiled the L130 (black bolt)? Post by cybofax on 12/30/06 at 04:12:48 Hi all! Has anyone helicoiled the L130 (black bolt) on the head cover - and if so any hints? Mine is stripped and weeps oil. It seems I'll have to remove the head to do it :( What size coil will I need? They seem to come in different pitches and lengths. (BTW - seasons greetings to all!) |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by lancer on 12/30/06 at 05:03:27 I need to do the same thing, but have not taken the head & cylinder off yet. Too many things happening lately to get to it yet. I was thinking of doing all of those long bolts at the same time. That would eliminate a future problem of another stripped threads situation. Remove the black bolt and take it to your favorite hardware store where the heli-coils are kept and they will have a guage which will tell you the size, threads/inch, whatever you need for a proper fit/application. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by cybofax on 01/14/07 at 14:46:11 I've managed to effect a temporary fix! I ran a length of M6 threaded rod from the local hardware store down the L130 hole - it seems to go slightly deeper that the L130 bolt and has found enough thread to fasten securely. I cut it off to size with a hacksaw - placed the gasket washer and a washer over it and ran an M6 nut down the protruding part of the rod - hey-presto - no weeping oil! This gives me a bit of a breather while I locate helicoils and a gasket set for a permanetnt fix. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by LANCER on 01/14/07 at 21:06:57 That sounds like a pregnant idea. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/17/07 at 16:03:58 I bought the M6 helicoil kit today($40!). I will let you know how it works out. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/17/07 at 17:07:28 Looking at how far down in the cylinder wall the threads begin, I can't see how it is possible to install the helicoil insert. I'll see what I can come up with and let you all know. If that does not work, I may use the threaded rod trick. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by cybofax on 01/17/07 at 22:38:22 good luck! I've resigned myself to the fact that I'll have to take the head off to install the helicoil - which is why I've come up with an alternative for now. Keep us posted! |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/18/07 at 04:02:31 I've got the head off and the engine on the bench, but I still don't see a way to install the helicoil. I'll keep you posted. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/18/07 at 12:41:36 Does anyone know the source of the oil that leaks up around this bolt? I am thinking of JB weld or some other epoxy product at repair the threads but don't want to seal up an oil gallery! |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/19/07 at 05:11:59 I was wrong! (I think). Looking more carefully at that hole in the cylinder wall, I think the reason I thought the threads started so far down is that they have been completely stripped out near the top! I will attempt the helicoil this weekend and let you know how it turns out. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by Kropatchek on 01/19/07 at 08:55:51 steveh wrote:
Oke, you got the kit. Try to drill the hole on a vertical drilling machine if you can. Tap the thread with the special supplied tap by hand using a T-handle. One turn and 1/4 turn back till 1 1/2 lenght of the coil. Insert the helicoil in the grove of the supplied T-handle, turn carefully, don't push, untill the coil is approx. 1/8" under the surface of the head. Break-off the end piece with needlenose pliers. If you knew allready how to do helicoilsh1t disregard this post, maybe this will help others. Greetz Kropatchek ;D Did approx 36 M6 helicoils once in the cilinderhead of a Honda S600. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/20/07 at 09:20:36 Success! The helicoil repair worked perfectly. The kit I used is part number HC 5546-6 (M6X1) from Carquest. It comes with 12 inserts and cost $40. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by cybofax on 01/20/07 at 09:45:41 yes, yes great! but where are the pictures? :) Congratulations! Thanks for keeping us posted. Out of curiosity, how long are the helicoils? Does M6 x 1 mean 1 cm long? If they were too long would it be possible to cut them or do they have to be the right length. I'll be shopping for mine soon. |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by verslagen1 on 01/20/07 at 10:45:13 M6x1 is the metric thread designation. M means metric 6 or 6mm is the bolt diameter ( a little less than 1/4") x1 is the pitch of the thread or for every turn of the screw 1mm progression. english thread designation is 1/4x20 or 1/4" diameter bolt and 20 threads per inch. Which means for every turn the bolt progresses 1/20" (.02" or 1/2 mm) Comprende? |
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Title: Re: Anyone helicoiled the L130 (black bolt)? Post by steveh on 01/20/07 at 14:44:44 Off hand, I would say the coil inserts are about 3/8 inches long. They probably could be cut shorter if necessary. |
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