

| Subject: | Re: Stubborn Exhaust leak |
| From: | Michael Diehr |
| Date: | Mon, 28 Jul 2008 12:07:33 -0700 |
correction: the BD $379 price does not include the cat...my error. On Jul 28, 2008, at 11:39 AM, Michael Diehr wrote: > Thanks for all the help -- after doing the RTV sandwich trick, it was > better but I can still hear and feel leaking, and I think it's in more > than one location. Looking more closely reveals that pretty much all > the exhaust gaskets everywhere are not much more than rust held > together by bolt pressure. > > I notice that bus depot has a $379 special for a complete stock > exhaust system. I'm very temped to order that and stop messing > around with patches & fixes. > > Any thoughts on the quality of the BD system? Is the cat in that OK > (I remember a prior thread where folks said that most aftermarket cats > are not high quality). > > If I just take it to my mechanic and say "fix it" any idea what the > retail cost of a new exhaust system would be? > > > >> 85 vanagon with exhaust leak at the junction between the two header >> pipes and the collector pipe (part #G on this picture: http://www.bus-boys.com/vanwasser83-91.html >> ) I removed the parts, sanded off the remains of the gaskets, >> installed new gaskets, bolted it back together and... it leaks just >> as >> bad as before. Took it apart again -- The collector pipe (G) >> seems >> ok, but the ends of the header pipes are pretty rusted, and I can see >> how it may be difficult for the gasket to seal. Tried some high- >> temperature metal gunk to fill in the gaps, then reassembled but >> didn't really seem to help :(. FYI, I put the metal side of the >> gasket towards the collector as that seemed the most logical and >> seemed to match the prior parts, though Bentley was not clear on that >> topic. >> >> I'm tempted to take it to my local mechanic, hat in hand, and say >> "make it work!" but I haven't entirely lost faith yet. Is the >> solution new header pipes? A MIG welder? :)
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