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busrench
Active Member

31 Posts

Posted - 07/25/2014 :  08:10:18 AM  Show Profile  Visit busrench's Homepage  Reply with Quote
Hi! This is my first post to this very useful forum. I've been fixing cars and light trucks for the past 34 years and have worked at this public school bus garage for a year now. The issue I have now is a muffler on an '08 Blue Bird Vision with a Cummins. The 4 section muffler is rusted to the point where the pressure sensor tube nuts have fallen off and rust has expanded the flanges to the point where the V clamps are busting off. The dealer wants approx. $6000.00 for this unit and the couple of aftermarket companies I checked with don't have this available. 6000.00 is going to take too big a chunk out of my budget! Any ideas where I can find a cheaper unit?

bwest
Administrator

United States
3820 Posts

Posted - 07/25/2014 :  09:00:32 AM  Show Profile  Reply with Quote
Have you tried Auto-Jet Muffler? http://mandrelbending-tubefabrication.com/SchoolBus/index.php

Bryan
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busrench
Active Member

31 Posts

Posted - 07/28/2014 :  03:52:39 AM  Show Profile  Visit busrench's Homepage  Reply with Quote
Yep, they were the first company I called.
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Tb4020
Senior Member

United States
82 Posts

Posted - 07/28/2014 :  06:10:12 AM  Show Profile  Reply with Quote
You'll have to get it from bird or cummins it's a dpf system you should just be able to buy the end caps and re-use your center (the expensive part).
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busrench
Active Member

31 Posts

Posted - 07/29/2014 :  04:06:07 AM  Show Profile  Visit busrench's Homepage  Reply with Quote
I ended up removing the last 3 sections, brazing 5/16" tube unions where the busted fittings were, cleaning the rust from the gasket surfaces and flange areas (which were half gone) and installing new gaskets and V clamps. This thing hopefully will hold together for a couple more years until somebody makes an affordable replacement.

Thanks for the input!
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bwest
Administrator

United States
3820 Posts

Posted - 07/29/2014 :  07:09:34 AM  Show Profile  Reply with Quote
quote:
Originally posted by busrench

I ended up removing the last 3 sections, brazing 5/16" tube unions where the busted fittings were, cleaning the rust from the gasket surfaces and flange areas (which were half gone) and installing new gaskets and V clamps. This thing hopefully will hold together for a couple more years until somebody makes an affordable replacement.

Thanks for the input!



That's cool! I hope that works.

Bryan
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