

| Subject: | Re: Ongoing "Honk" as diesel style starter engages |
| From: | Don Hanson |
| Date: | Thu, 9 Jan 2014 07:38:14 -0800 |
Thanks all, Eventually, I will find out what's making this odd, but for about 90k miles, seemingly non-critical noise. I'll post what happens. On Jan 8, 2014 10:06 PM, "SDF ( Scott Daniel Foss )" < scottdaniel@turbovans.com> wrote: > That's where my mind went too .. > and after seeing Mark's post regarding vacuum brake booster system > sourced sounds ..I go for that one too. > > I suggest plugging/blocking off the vac feed to the front of the van at > the engine.. > and see if that stops the sound. > there won't be any power brake assist of course. > > and I've had long term bendix shakiness at times.. > though I wouldn't describe it the way Don did. > > pretty rare to replace a flywheel in my experience, or flywheel ring gear. > I've done 2 or 3 in a 30+ year career. > > now, has anyone removed the ring gear from a diesel vanagon flywheel ? > looks like it'll come off to me.. > even just to move it 'around' some.. > engine compression causes the engine to stop in the same 2 or 4 places > ..on four cyl engines. > Just repositioning gear tooth ring gear would give it another 10 yrs > perhaps. > > Scott > > On 1/8/2014 9:44 PM, Dennis Haynes wrote: > >> You have a bad "bendix" on the starter drive or the starter is not >> releasing >> as fast as it should. That is the one way clutch that drives the gear >> itself. As the engine starts it allows the gear to be driven by the >> flywheel >> without spinning the starter motor with it. They can go like this for a >> long >> long time. When it dose fail you may get to replace the flywheel ring >> gear. >> >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf >> Of >> Don Hanson >> Sent: Wednesday, January 8, 2014 2:22 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Ongoing "Honk" as diesel style starter engages >> >> I have an ABA VW gas inline motor in my 84 van, turning a 5sp >> tranny...with a diesel bellhousing and starter. Been running this >> motor and starter now for a few years as my daily driver, work van and >> camper. Every since I have owned it, when the engine catches and the >> starter motor is cut off, there is about a half second of this strange >> honking noise...I don't really know the right way to describe it, but it >> seems similar maybe to when you take a ping pong ball and squish it down >> with the paddle onto the table...really kind of a brief 'squelching' >> noise, >> sort of. Not loud, not alarming, just puzzling. >> Anybody want to try to guess what might be causing this sound? >> >> I figured, when I first installed the motor and tranny and I heard >> that >> noise, whatever was making the noise would soon cause me some real >> problems, >> and then I could fix whatever it is....but it's now coming on 3yrs of >> driving it like this, without even any indication that anything is not >> right, other than that weird noise...The starter works perfectly every >> time, >> but it makes that noise perhaps on 90% of starts, always has...without any >> perceptible change in the sound or >> the operation of the starter. I have had the motor out and also the >> tranny, to do a pilot bearing and a clutch... put it all back in and >> there's >> that 'honk' again from the starter area..... >> >> Strange.... >> Guesses? or better still, someone who actually might know what this is? >> >>
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