C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Drive shaft removal help

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Old Dec 18, 2012 | 11:55 PM
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Default Drive shaft removal help

Exhaust and c beam dropped i have two of the four strap bolts out but the other two won't budge without stripping. Already used some pb blaster and nothing. Any ideas?
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Old Dec 19, 2012 | 12:53 AM
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If the heads are stripped, you have no choice but to grind down the heads with a die grinder to remove the strap.
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Old Dec 19, 2012 | 01:28 AM
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That's what i was afraid of. What do i do if that's the case?
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Old Dec 19, 2012 | 02:15 AM
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Originally Posted by Blown1987
That's what i was afraid of. What do i do if that's the case?
1 on each strap or 2 on one strap? Did you soak them again before walking away?
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Old Dec 19, 2012 | 06:24 AM
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You might get a set of these bolt extractors

http://www.irwin.com/tools/screw-bol...-grip-base-set

I got mine at Advance Auto. They grip so tight that I bent a 3/8' break over bar the first time I used one. Keep soaking the bolt in PB blaster until you get a set of these.
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Old Dec 19, 2012 | 07:48 AM
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Did you apply heat? A bottle torch will be a big help. Heat the yoke, not the bolt, once you get it good & hot "shock" it with some PB blaster. Also cuisinartvette posted a formula for some penetrating oil that is said to be far superior to PB. It's a 50/50 mix of ATF & acetone. Maybe give this stuff a try before grinding but DO NOT use the torch with it! If the head of the bolt is too rounded off try taking an old socket a bit smaller and beat it on to the head of the bolt.
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Old Dec 19, 2012 | 07:50 AM
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Originally Posted by John Robinson
You might get a set of these bolt extractors

http://www.irwin.com/tools/screw-bol...-grip-base-set

I got mine at Advance Auto. They grip so tight that I bent a 3/8' break over bar the first time I used one. Keep soaking the bolt in PB blaster until you get a set of these.
Craftsman also has these & they really do work but I really don't think there is sufficient clearance to get one on the bolt.
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Old Dec 19, 2012 | 08:48 AM
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Put a piece of steel on top of the bolt head, like a dowel punch etc, and give the bolt a smack with a HEAVY hammer (BFH), then see if that cracks it loose.
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