All this talk got me digging through my Yanmar manual. Under periodic maintenance, I cannot find anything to do with a timing belt, so hopefully Rick is right, and it is a chain that will last the life of the engine. Knock on wood. But, a lot of other interesting stuff popped up, I like if you're having a little white exhaust, to adjust the valves, or time the injection. Or drizzle some soapy water through the turbo to clean the fan blades. Which probably would not be a bad idea. But that does not sound like something that I am going to tackle, at least not the timing part.
Bill Coleman Entrada, Erie PA On Fri, Jul 31, 2020, 10:47 PM Rick Brass via CnC-List < cnc-list@cnc-list.com> wrote: > I agree with you, Doug. > > > > My first reaction to the original question was that all diesel engines, by > the very nature of the high compression needed for ignition of a diesel, > are interference engines. I couldn’t recall any diesels in my experience > that used a timing belt instead of a chain or gear train. But I forgot > about the Pathfinder Diesel, which is essentially a marineized version of a > VW Rabbit engine. > > > > Rick Brass > > Washington, NC > > > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Doug > Mountjoy via CnC-List > *Sent:* Friday, July 31, 2020 10:58 AM > *To:* cnc-list@cnc-list.com > *Cc:* Doug Mountjoy <svrebeccal...@gmail.com> > *Subject:* Re: Stus-List Timing Belt > > > > The only marine diesel engine using a timing belt that i know of is the VW > based engine. With the compression ratios of diesels I would imagine they > are all interference fit engines. Meaning that the valves open into the > space of where the piston will be at a different point the the cycle. > > > > > > > > Doug Mountjoy > > sv Rebecca Leah > > C&C Landfall 39 > > Port Orchard yacht club > > > > -------- Original message -------- > > From: Robert Abbott via CnC-List <cnc-list@cnc-list.com> > > Date: 7/31/20 07:33 (GMT-08:00) > > To: cnc-list@cnc-list.com > > Cc: Robert Abbott <robertabb...@eastlink.ca> > > Subject: Stus-List Timing Belt > > > > Has anyone ever experienced an issue with a broken timing belt in our > marine diesel engines? > > A club member had his break recently and it destroyed his engine which > he choose to replace rather than repair....and not sure if it actually > could be replaced. I'll get more info on the exact type of engine and > the extent of the damage. He said some marine diesel engine 'timing > belts' can break but not cause the kind of damage his did. > > Rob Abbott > AZURA > C&C 32 - #277 > Halifax, N.S. > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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