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#1
03-06-2007, 01:11 PM
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how do i get a bolt out
one of the bolts broke off while taking the exaust manifold off in my 2000 grand am gt 3400
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#2
03-06-2007, 03:18 PM
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Re: how do i get a bolt out
remove the head and drill out the bolt. Very sketchy operation though as the head is aluminum and the bolt is steel and it is difficult to drill on center. The bolt is probably stuck due to dissimilar metal corrosion and will not loosen very easily. I would remove the head and soak the remaining portion of the bolt in penetrating fluid for a coupla days before I try anything. If there is some shank left sticking out you may be able to grip it with locking pliars. It is going to be difficult to keep from damaging the threads no matter what you do.
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master airframe mech/shadetree auto mech/30+ years experience current vehicles: '02 Impala LS 3.8L '02 Trans Am WS6 LS1 6spd '99 Grand Am SE 3.4L '71 Cutlass SX 455/TH400 '04 YZ450F '07 Kona Garbonzo (dowwnhill mountain bike)
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#3
03-06-2007, 11:58 PM
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Re: how do i get a bolt out
this is a tricky job.
I found that heat will help loosen some of the stuck bolts. Probly thread locker holding them. Good Luck drilling them out!
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1999 Grand Am SS 3.4 OHV 
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