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Old 06-02-2010, 07:08 PM   #1
littlee_domn8r
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Join Date: Sep 2003
Location: Elk Point, South Dakota
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stripped bolt hole

Hey all. haven't been on this site in almost a year. Glad to see it still up! I just rebuilt my th350 & got it installed only to find the "s" pin inside on the linkage was backwards. I took the pan back off & got that turned around, but when putting the pan back on, I stripped one of the holes at the back of the tranny by the modulator. I struggled for an hour or so trying to get a smaller bolt through the hole & put a nut on it, but couldnt.

Am I better off just rethreading the hole & putting in a bigger bolt? I don't own a tap & die set, but I'm sure I have a friend or two with one.
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63 GMC C10 Custom LWB 355/350 AT
00 Chevy Silverado 1500 base V6/AT
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Old 06-02-2010, 07:23 PM   #2
burbguy
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Re: stripped bolt hole

you might try a "heli" coil. There available at alot of automotive stores.
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1966 short fleet 230 I-6 three in the tree (daily driver)
1966 short fleet big block th400 (building slowly)
1972 c10 3 door suburban 350 th350 (building faster than slowly)
2004 F250 power stroke (not dependable enough to be a daily driver)
2005 Kenworth T-800 Heavy Haul tractor (that's my true daily driver)
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Old 06-03-2010, 02:19 AM   #3
LILRED66
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Re: stripped bolt hole

Lowe's sells matched sets of drill & taps, so you don't need to purchase an entire set, however, if you plan to do much wrenching on your rig, a good, SAE tap/die set is a wise investment.
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Old 06-03-2010, 10:03 AM   #4
nxtruck
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Re: stripped bolt hole

X2 on the heli-coil. This type of repair will allow you to use the same bolt, provided the threads aren't damaged.
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1966 Chevy C10 LWB, 434 sbc, TH350, 12-bolt, factory suspension, pump gas
7.02 @ 95.8, 1.45 60'
1965 Chevy C10 LWB, 355 sbc, TH350, daily driver
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