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seized pressed in bolts on exhaust manifold.

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Old 02-23-2013, 08:46 AM
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Default seized pressed in bolts on exhaust manifold.

manifold to muffler bolts snapped (x2) and gasket is worn. i have dropped the muffler and hammered the hell on those bolt studs to knock em loose any advice or tips would be greatly appreciated.
 
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Old 02-23-2013, 09:37 AM
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Heat, heat, heat and more heat, then pound the hell out of em again. Oh dont heat the bolt, heat the flange. Those thing suck big time
 
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Old 02-23-2013, 10:30 AM
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lol i guess i was afraid that i had been doing just that with no results.
 
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Old 02-23-2013, 11:52 AM
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update: 2 bolts out.. map gas continuously as "new guy" insisted on the flange around the bolt.. and then freeze off (tons of thick smoke) right on the bolt/pressed stud head.
 
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Old 02-23-2013, 02:21 PM
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Originally Posted by evuldrporkchop View Post
update: 2 bolts out.. map gas continuously as "new guy" insisted on the flange around the bolt.. and then freeze off (tons of thick smoke) right on the bolt/pressed stud head.
Nice, persistance pays off
 
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Old 02-23-2013, 05:53 PM
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BTW they come out much easier when the manifold is in a vice
heating the flang with oxy/acetalene until cherry red goes much easier
 
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