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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Installing a new exhaust system

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Case450

12-25-2006 16:05:46




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the exhaust on my case450 is pooched. blew off the other day all old and rotted. I ordered a new manifold and muffler (might as well replace 'em all) any tips or tricks for working with those old seized exhaust mounting bolts?
thanks boys!




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Chip A

12-26-2006 06:58:41




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 Re: Installing a new exhaust system in reply to Case450, 12-25-2006 16:05:46  
On my old Deere 450, I've found that a can of PB Blast, time and patience have worked well. When it didn't, then it was heat, PB Blast, more heat, trait-en oil, more time and more patience.,

The one thing I can say in "Great Confidence".
Do not snap anything.. It becomes your worst nightmare.



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Beu Hungus

12-25-2006 16:24:01




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 Re: Installing a new exhaust system in reply to Case450, 12-25-2006 16:05:46  
These are

MY OPINIONS


Heat, penetrant, heat, penetrant, heat, penetrant, heat, work bolt back and forth a little then repeat.

After you have broken them off, you might try a small cutting torch.

Provided they are broken of in cast iron, it is possible to burn out bolt leaving the threaded hole intact. Or nice enought to pick out the remainders and chase threads with a tap.



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