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help!!!!! little problem gone big


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bigdogg363
New User

Mar 25, 2011, 4:08 PM

Post #1 of 7 (1519 views)
post icon help!!!!! little problem gone big Sign In

so i was attempting to drill out a seized in bolt from a starter and wouldn't you know it i wasnt drilling straight and ended up pritty much shredding the whole outside of the hole. what do i do now??

1999
gmc
suburban K1500sl
5.7


(This post was edited by bigdogg363 on Mar 25, 2011, 4:09 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Mar 25, 2011, 4:14 PM

Post #2 of 7 (1506 views)
Re: help!!!!! little problem gone big Sign In

Drill an oversized hole and install a heli-coil. The kit will tell you what size drill to use.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bigdogg363
New User

Mar 25, 2011, 4:15 PM

Post #3 of 7 (1502 views)
Re: help!!!!! little problem gone big Sign In

will a heli coil work with one side of it exposed?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Mar 25, 2011, 4:18 PM

Post #4 of 7 (1499 views)
Re: help!!!!! little problem gone big Sign In

If you are saying that you drilled right out the edge of the bellhousing, you're pretty much screwed.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bigdogg363
New User

Mar 25, 2011, 4:22 PM

Post #5 of 7 (1495 views)
Re: help!!!!! little problem gone big Sign In

yes thats what im saying but theres gotta be some way to fix it.. i hope...??


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Mar 25, 2011, 4:28 PM

Post #6 of 7 (1486 views)
Re: help!!!!! little problem gone big Sign In

Sure there is, .........new housing.............



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



chzyrider
New User

Apr 14, 2011, 12:15 PM

Post #7 of 7 (1399 views)
Re: help!!!!! little problem gone big Sign In

It can be difficult if not impossible to drill out the hole by hand to re-center it if you've previously drifted off-center and into the casing. Use a drill press to accurately re-center the hole with a larger bit or take it to the machine shop for them to do it. Then, they or you can then tap it for the threads needed to insert a helicoil. I've also seen this done before... perhaps you can drill the hole cleanly with oversize bit, insert a matching material plug half the thickness of the bellhousing and weld it in place from both sides being sure to get good penetration. Fill the remaining hole with weld material, grind the surface smooth, then re-drill and tap the hole in the required position.






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