Date: Fri, 9 Nov 2007 13:17:51 -0800
Reply-To: David Kao <dtkao0205@YAHOO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Kao <dtkao0205@YAHOO.COM>
Subject: Re: lutch shutter, vibration, shaking -
In-Reply-To: <001b01c8230b$3c154b20$6501a8c0@TOSHIBALAP>
Content-Type: text/plain; charset=iso-8859-1
Scott, this is really the best thread on this list in recent weeks. Thanks
for sharing your knowledge based on real experiences regarding the clutch
issue. One of my two Vanagons has this clutch chattering issue. I will
try the trick you mentioned to give it a hot shot. I know it won't hurt
anything unless I keep doing it too many times. I will do it when the
flywheel isn't too hot yet. The friction should heat up fast and burn off
any oil on the disc or surface of the flywheel.
One of the reason of chattering clutch may be because WBX engine's low torque
at low RPM. If there is enough torque people can quickly let go the clutch before
it has a chance to chatter. Does this make any sense?
David
--- Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM> wrote:
> Hi,
> If you strongly feel that the flywheel should be resurfaced every clutch
> job, then that's what you should do.
> I want group members and at-home vanagon technicians to know that a super
> fine clutch job can be done without having to *always* resurface the
> flywheel. Just so they know that's a viable option sometimes too.
> As for what 'mechanics like to do' ...you might know that I am a full time
> professional vanagon repair and engine conversion specialist, and foreign
> car technician, with around 35 years experience. Actually ....let's
> see.......43 years on cars, and 15 years before that on bicycles and other
> things. I worked on my tricycle, modifying it even, before I went to
> kindergarten. And nobody showed me how to do that either, I just 'already
> knew' how to.
> Scott
> www.turbovans.com
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> gary hradek
> Sent: Friday, November 09, 2007 7:07 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: lutch shutter, vibration, shaking -
>
> Scott,
> Machine shops will resurface as little as
> possible. Mechanics tend to do work so they only do
> it once. I would choose to always resurface and
> check out the pilot bearing if you have over 80k since
> the last clutch job. It is a pain to redo a bad
> clutch job. Call it a matter of cost-risk. gary
> From: Scott Daniel - Shazam
> <scottdaniel@TURBOVANS.COM>
> Subject: Re: Clutch shutter, vibration, shaking -
>
> I'm not precisely sure what the poster is saying
> here. If he's saying
> to
> always surface the flywheel every clutch job....I'd
> like to offer that
> that's not always best. Like resurface them when they
> really need it,
> sure.
> But not just automatically every clutch job. Machine
> shops can even
> screw
> up a resurfacing job. So if it's good, and not really
> needing a
> resurfacing, clean it up, give it a good psychic
> healing, and put it
> back
> into service.
> I've taken many parts to machine shops for
> inspection......in general
> it
> seems to me they are usually very inclined, like
> doctors with drugs and
> surgery, to recommend their machine work services be
> done to the part,
> but
> if the surface is nice, and the run-out within
> spec.....I'd leave it
> un-resurfaced. So 'it depends.'
> Scott
> www.turbovans.com
>
> -----Original Message-----
> From: Vanagon Mailing List
> [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of
> gary hradek
> Sent: Thursday, November 08, 2007 7:59 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Clutch shutter, vibation, shaking -
>
> Walter,
> anyone doing a clutch job would do this that
> does it on a regular basis. Would not pay off to do
> otherwise.
> Date: Thu, 8 Nov 2007 18:48:33 -0500
> From: Walter Houle <whoule@ECSCONTROLS.COM>
> Subject: Re: Clutch shutter, vibation, shaking - why?
>
> I always assumed that VW resurfaced the flywheel as
> part of their
> factory
> rebuild process. Does anyone know if they did?
>
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