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Date:         Wed, 5 Sep 2001 22:38:18 -0700
Reply-To:     Dan Snow <dieselvanagon@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dan Snow <dieselvanagon@HOTMAIL.COM>
Subject:      Dan's Diesel Rebuild Part 2
Content-Type: text/plain; format=flowed

Again, sorry for the repost...last one.

>From: Dan Snow <dieselvanagon@HOTMAIL.COM> >Reply-To: Dan Snow <dieselvanagon@HOTMAIL.COM> >To: vanagon@GERRY.VANAGON.COM >Subject: Dead diesel diagnosis/postmortem >Date: Thu, 16 Aug 2001 22:19:24 -0700 > >Ya'll may recall that I have an '82 Diesel that was free. It made an >atrocious skreech, skreech, skreech, skreech when the motor ran. It sounded >terminal. So tonight I finally pulled off the oilpan to find... >Enough bronze shavings to cast a statue with. Then I peered up, rotating >the >motor with a 17mm socket. The cylinder walls looked shiny and unscored, but >that is a very preliminary judgement. The crazy thing was this: the big end >bearing cap on connecting rod #2 (second from the back of the van) looked >funny. All the other rod ends were nice and wet with oil and are smooth and >metallic. #2 looks like someone sandblasted it with iron oxide, and it is >bone dry. Furthermore (those of you with tender stomachs might want to skip >this part) there appeared to be a little bit of thin metal, like a piece of >aluminum foil, stuck between the con rod end cap and its next door neighbor >crankshaft piece. I got out the trusty 14mm and, on further inspection >found >that this foil is in fact steel or iron and it is literally being extruded >from where there should be bearing. I was able to pry some of it away. It's >awful. > >I have a friend who will sell me an apparently good dasher diesel block >(minus head and accessories for cheap, so I am not without hope. I do have >a >few questions, however: >1) Did #2 get oil starved somehow? It seems odd that this would only happen >to one con rod. I guess engines are pretty complex systems and some >randomness might have accumulated into a local problem...? Or is #2 a >design >problem? >2) I am very poor (and even more lazy), and I wonder if there is some way I >might just, you know, emery cloth that particular piece and put in a new >bearing? >3) If you are appalled by #2 and insist that I use the dasher engine, is >there anything I should be aware of as I do the transplant? I will use my >own head, and I wonder if bronze shavings made their way upstairs. That >would be bad. >4) Anything else? > >Daniel Snow >PhD Student >UC Berkeley > >'82 Vanagon Diesel >'78 Puch Maxi Luxe Moped >'72 Motobecane Mobylette Moped >'01 Xootr Scooter > > >_________________________________________________________________ >Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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