Head Stud Removal - Last One |
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WillyBill
Member Joined: 02 Feb. 2014 Location: Northwest TN Status: Offline Points: 211 |
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Posted: 15 Nov. 2018 at 12:13am |
Since that stud hole had already been repaired with a heli-coil I used a BIG-SERT Kit number 5761 - 7/16-14 and used the 0.6 inch long inserts that came with the kit. I also ordered and used the tap guide number 57655. I got all of my Time-Sert kits, guides, and extra inserts from BelMetric.com.
Bill
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1947 CJ2A #146428
1947 CJ2A #103567 |
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Brachus12
Member Joined: 04 Jan. 2007 Location: Upstate, SC Status: Offline Points: 738 |
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Which timesert exactly did you use? I contacted them and they sent me a generic list of questions like: -how deep is the hole -how deep to the first starting thread
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47 CJ2A #101361 "Bugger"
42 GPW 75248 SPEN Trailer 62 M170 13758 http://s4.photobucket.com/albums/y119/brachus/Willys |
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Alpine
Member Joined: 04 Oct. 2012 Location: Katy,TX Status: Offline Points: 530 |
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Yes, I should have said replace not repair.
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cpt logger
Member Joined: 23 Sep. 2012 Location: Western Colorad Status: Offline Points: 3043 |
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X2! |
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jeeper50
Member Sponsor Member Joined: 01 Mar. 2008 Location: Spanish Fort AL Status: Offline Points: 2579 |
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replace the bent valve, cheaper in the long run
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Belleview ol skool winch soon. '48 CJ2A 283 V8 sm 420 granny low, tera low D18, overdrive,lockers Texan at heart,Alabama by retirement |
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RSR_MK
Member Sponsor Member Joined: 22 May 2009 Location: Cabool Mo Status: Offline Points: 657 |
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Thanks for the update. Glad it worked out for you.
Mike |
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Alpine
Member Joined: 04 Oct. 2012 Location: Katy,TX Status: Offline Points: 530 |
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Just wanted to finish this thread and say that I successfully fixed the stud. Having never done it before, it took way longer than it should have but I did not want to damage the hole and have never drilled into an engine block before. I also do not have welding equipment so those options were not available when removing the broken stud. I did use a Helicoil and it seems to be fine but I can see how Timesert would be better. Anyway, if anyone is hesitant to do this, it can be done and is easier than it seems. The most important part is to make sure everything is drilled straight and square. And if you get frustrated, just walk away and come back the next day. Now to repair the bent valve..............................
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Greaser007
Member Joined: 16 Jan. 2018 Location: Anderson, Calif Status: Offline Points: 850 |
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I have one-more method of removing broken studs.
An old mechanic told me of this old-school-trick to remove broken studs. First thing i would recommend is drill a 1/8-inch Pilot hole 1/4-inch deep into the broken stud. The old-timer just said to put the Heat to the stud and Blow-it-out. Second thing - fire up the cutting torch and put the tip on the edge of the pilot hole until melted and put the Oxygen to it. The oxygen will Blow the stud back out of the hole. ... it's True ! I have done this numerous times successfully. The old timer reminded me that the steel melts way sooner than the Cast Iron. Once you have the stud blown-out, then you carefully pick the remaining pieces out of the hole and chase the threads with a Tap. Worse case - you drill and install the Heli-coil threads. Tada ! Len |
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Alpine
Member Joined: 04 Oct. 2012 Location: Katy,TX Status: Offline Points: 530 |
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I read it but it just registered in my brain. I will use the head , well the old head, as a guide. That will get me going straight.
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SE Kansas 46 CJ-2A
Member Sponsor Member x 3 Joined: 22 Jan. 2016 Location: S.E. Kansas Status: Offline Points: 3191 |
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I hope I never break another stud, but if I do... |
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46 CJ-2A #64462 "Ol' Red" (bought April 1969)(second owner)(12 V, 11" brakes, M-38 frame, MD Juan tub)
U.S. Coast Guard Chief Petty Officer(ret.) U.S. Army Vietnam veteran and damned proud of it. |
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Joe DeYoung
Member Sponsor Member x 2 Joined: 20 July 2005 Location: Madison WI Status: Offline Points: 3362 |
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I like their method way better then what I have been doing. I've always just placed a nut over the end of the stud and welded down the center of the nut to the stud, but sometimes I hit the side of the nut with the wire first and the nut doesn't weld to the stud very well... never considered the washer first.
So thanks for the link ndnchf
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Joe DeYoung
to many jeeps, parts, and accessories to list here, but apparently enough to keep me in trouble with my wife. |
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WeeWilly
Member Sponsor Member x 2 Joined: 07 May 2009 Location: Clayton IN Status: Offline Points: 3423 |
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I wouldn't say that is the right way but rather that is one way because all applications wouldn't accept that much heat.
Jim |
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47 CJ2A (Ranch Hand) 48 CJ2A, 48 Willys truck, T3C 3782, M274 (Military Mule)
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ralf
Member Sponsor Member x 2 Joined: 06 May 2008 Location: Fayetteville WV Status: Offline Points: 4861 |
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If the block is out of the Jeep, take it to the machine shop.
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1947 CJ2A
1948 CJ2A 1953 Ford NAA Golden Jubilee Tractor 1941 J-3 Cub 1957 Farmall Cub Low Boy tractor 1942 Clarktor WW2 tug |
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Alpine
Member Joined: 04 Oct. 2012 Location: Katy,TX Status: Offline Points: 530 |
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The stud is out, I am trying to figure out how to accurately drill the hole for the insert. I am thinking that creating a wood template using the gasket and then utilizing that with a drill guide and it might work.
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RICKG
Member Joined: 08 Jan. 2015 Location: so idaho Status: Offline Points: 1941 |
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I liked the ending.. Now throw away every one of your drill guides, your so-called easy-outs (easy-brokes), and your 'screw extractors' before someone gets hurt! Do it now! Right this minute!
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I never met a mule I didn't like!
MC51986 "OD MULE" DOD 01-52 '50 CJ3A "Bucksnort". Keep 'em Rollin' |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Here is a pretty neat tutorial on removing a broken stud using TIG welding, a washer and a nut.
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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WeeWilly
Member Sponsor Member x 2 Joined: 07 May 2009 Location: Clayton IN Status: Offline Points: 3423 |
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As was mentioned before, you could use the head for a guide. Just bolt the head on the block and find a combinations of pipe and or tubing that will just fit in the hole of the head with out to much slop. This is where a lathe would come in handy but you might be able to find some parts that will work, like and old valve guide for example. It would be nice if you could make the first guide to accept a 1/4 or 5/16" drill bit then go up from there to the desired size to thread the new hole.
Or if you had a friend or local machine shop you could have them to make you a set of guides, one for the pilot hole and one for the tap size to thread it. While you were at it you could have a set made for the manifold studs too. Jim |
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47 CJ2A (Ranch Hand) 48 CJ2A, 48 Willys truck, T3C 3782, M274 (Military Mule)
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WillyBill
Member Joined: 02 Feb. 2014 Location: Northwest TN Status: Offline Points: 211 |
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Alpine, Can you post a good clear picture, looking straight down, of the stud hole you are dealing with?
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1947 CJ2A #146428
1947 CJ2A #103567 |
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