Vanagon EuroVan
Previous messageNext messagePrevious in topicNext in topicPrevious by same authorNext by same authorPrevious page (August 2015, week 3)Back to main VANAGON pageJoin or leave VANAGON (or change settings)ReplyPost a new messageSearchProportional fontNon-proportional font
Date:         Sun, 16 Aug 2015 10:18:49 -0400
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: Pilot bearing failure
Comments: To: John Rodgers <jrodgers113@GMAIL.COM>
In-Reply-To:  <CA+az7_5+CWFT6EkzKAbpLh9Aerv1M4+kC8zEjCmptMx_5NHgCQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

From the factory the felt ring was located by a stamped metal ring. Often these get destroyed once the pilot bearing fails. Probably the biggest reason for that bearing to fail is the grease drying out and then the parts rust. That bearing gets a lot of abuse from crankshaft heat and possibly clutch heat. I don’t think clutch debris is much of an issue as it all get centrifugally thrown out, not in.

Dennis

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of John Rodgers Sent: Saturday, August 15, 2015 8:44 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: Pilot bearing failure

There is a little brass bushing in the flyweel whose sole purpose is to support the felt dust seal. Those bushings get knocked out at the machine shop and don't get put back in. With no support, the felt dust seal fails over time and dirt or clutch dust gets in and destroys the bearing.

This dust seal arrangement is wonky at best but has seemed to work over time. However, I would prefer to go the seal bearing route myself.

If you want to stick with the original arrangement, know that the last time I had to deal with this issue, the brass/bronze bushing was NLA. Check on The Samba!

John On Aug 15, 2015 11:34 AM, "Mark Milby" <obxmilby@gmail.com> wrote:

> Good Info all, Thanks. I was not sure about the Dia., thesamba seemed > to have conflicting opinions. I have an '85. > I will see when I get it. I have an "INA" bearing with the felt washer

> as a back up but do not trust the quality since that is the part that > failed so catastrophically. > > > On Sat, Aug 15, 2015 at 12:10 AM, Dennis Haynes > <d23haynes57@hotmail.com> > wrote: > > > If the pilot bearing is shot you need to look carefully at the input

> > shaft. If it is chewed up it will need to be replaced. That diesel > bearing > > may look like it fits. When the flywheel goes on it will collapse > > the > outer > > shell and the input shaft will not be able to spin free or it may > > even > jam > > as the trans is being reinstalled. > > > > Dennis > > > > > > -----Original Message----- > > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On > > Behalf Of Mark Milby > > Sent: Friday, August 14, 2015 8:43 AM > > To: vanagon@GERRY.VANAGON.COM > > Subject: Re: Pilot bearing failure > > > > You guys were right. After pulling the bearing, all of the pieces > > where contained in the end of the crankshaft. So it is all cleaned > > up and I am putting in the diesel style pilot bearing and doing away

> > with the felt washer and retaining ring. > > > > Thanks for the help > > > > On Thu, Aug 13, 2015 at 4:49 PM, SDF ( aka ;jim lahey' - Scott ) < > > scottdaniel@turbovans.com> wrote: > > > > > assuming this is a waterboxer .. > > > is the felt seal and retaining ring for it there ? > > > > > > I've seen many missing. > > > > > > > > > On 8/13/2015 10:14 AM, vw_van_fan_Mark wrote: > > > > > >> Exactly. No way for the pilot bearing bits to get into the engine. > > >> > > >> Mark > > >> > > >> PSD wrote: > > >> > > >>> I'm pretty sure the pilot bearing goes into a blind hole. > > >>> That's the way it is on most engines. You shouldn't have any problem. > > >>> > > >>> -----Original Message----- > > >>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On

> > >>> Behalf Of Mark Milby > > >>> Sent: Thursday, August 13, 2015 3:54 PM > > >>> To: vanagon@GERRY.VANAGON.COM > > >>> Subject: Pilot bearing failure > > >>> > > >>> So where do all of the little roller in the pilot bearing go > > >>> when it has catastrophic failure. Many of them were on the > > >>> flywheel. What I am worried about is the ones that potentially went into the motor. > > >>> Is that possible. > > >>> It is to dark to see through the hole in the crankshaft. > > >>> > > >>> > > >>> > > >> > > > > > > -- > > Mm > > > > > > -- > Mm >


Back to: Top of message | Previous page | Main VANAGON page

Please note - During the past 17 years of operation, several gigabytes of Vanagon mail messages have been archived. Searching the entire collection will take up to five minutes to complete. Please be patient!


Return to the archives @ gerry.vanagon.com


The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.

Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.