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OG Velvet Samba Family Man

Joined: February 24, 2003 Posts: 2175 Location: Portland, OR
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Posted: Sun Nov 13, 2022 1:57 pm Post subject: Exhaust manifold leak |
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Hey! I have a question about my exhaust f pipe (77 bus)
I've discovered a leak where the flank was brazed to the pipe. I'm not too worried about fixing that part, but I wanted to point out how warped it looks. Should both flanges be perpendicular to the main pipe? I'm thinking I just need to source another manifold. I should also mention that this was a major PITA to remove from the head. Thoughts?
_________________ '67 13 Window
'77 Westy
'69 Sunroof Beetle
'65 Honda Dream |
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OG Velvet Samba Family Man

Joined: February 24, 2003 Posts: 2175 Location: Portland, OR
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Posted: Sun Nov 13, 2022 1:59 pm Post subject: Re: Exhaust manifold leak |
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Realizing that I probably tweaked this while trying to remove it.
So to clarify my question... did I ruin this thing? _________________ '67 13 Window
'77 Westy
'69 Sunroof Beetle
'65 Honda Dream |
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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52848 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Sun Nov 13, 2022 2:30 pm Post subject: Re: Exhaust manifold leak |
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I'd do some bending and tweaking before brazing it back up, after all those years and miles and heat cycles they all warp, it requires things like long pry bars in each pipe to spread or narrow the gap, large pipe wrenches to twist, sometimes even a scissor jack between the flanges. Once you get it so it slides on the ports freely braze it up and belt sand or file until the faces of both flanges are parallel and perpendicular to the pipes, sit it on a piece of glass or a table saw table to check the progress. Anneal the gaskets when installing too.
I doubt a replacement used part will me much better than what you have now, sooner or later they all need work. _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Слава Україні! |
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OG Velvet Samba Family Man

Joined: February 24, 2003 Posts: 2175 Location: Portland, OR
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Posted: Sun Nov 13, 2022 3:25 pm Post subject: Re: Exhaust manifold leak |
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Copy that. Thanks Busdaddy _________________ '67 13 Window
'77 Westy
'69 Sunroof Beetle
'65 Honda Dream |
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SGKent  Samba Member

Joined: October 30, 2007 Posts: 42657 Location: at the beach
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