Re: 16v tranny problems

["dave t" <pearl16v@hotmail.com>]

Thanks for the info.

I'm considering replacing my tranny with a new factory tranny. Do you know 
if the differential bolt kits are pre-installed in a new tranny?

dave

>From: Cheapass Ron Pieper <rapieper@yahoo.com>
>To: dave t <pearl16v@hotmail.com>, scirocco-l@scirocco.org
>Subject: Re: 16v tranny problems
>Date: Mon, 11 Jun 2001 19:58:01 -0700 (PDT)
>
>Others can chime in....
>
>020 trannies (ours) have had a history of two main
>catastrophic failure modes:
>-failing rivets holding the ring gear
>-poor technique to hold the shaft that the spider
>geards sit on.
>
>Either of these occurrences will eat a hole in the
>case; they are collectively known as "Self-Machining
>Syndrome" or SMS.  Both generally destroy your tranny.
>  Both issues can be solved with the addition of a bolt
>kit, which contains hardened special bolts and
>circlips to address both issues above, respectively.
>
>Other, less catastrophic problems are:
>-2nd gear synchro bad
>-reverse gear and 1st/2nd gear slider (which also acts
>as part of reverse gear) fail, usually due to driver
>putting car into reverse while it's still rolling
>forward (causes zzzztt zzzzt noise, may cause loss of
>reverse).  Loose teeth and bits can get places where
>they shouldn't, potentially causing untold damage.
>-wobbly driveaxle flanges causing oil leaks, caused by
>a worn diff and/or worn diff bearings
>-misc. other stuff.
>
>The tranny you mention (in the yard) was an SMS
>tranny, I'd bet on it.  It may actually be decent if
>it's been bolt kitted, but I'd pass.
>
>To replace your reverse gear means a complete teardown
>and new parts ($ouch).  OTOH I have two 4-speeds which
>I will be parting, but I haven't checked if the
>reverse gear parts are the same as the 5-speeds.  And
>you'd still have to tear it down (not a job for just
>anyone).  Last solution is the 16V tranny I took from
>my Scirocco when I replaced it with the 4K in there
>now, I could be tempted to sell it.  Shifted fine
>after 148K miles.
>
>Good luck,
>
>Ron
>
>
>--- dave t <pearl16v@hotmail.com> wrote:
> > Has anyone heard of any persistent problem where the
> > 16v tranny's would go
> > bad around 100-120k miles due to a faulty design? Im
> > not too sure how to
> > describe the problem, just that there will be a
> > clicking noise only in
> > reverse gear and that whatever's broken will begin
> > to chip away at the
> > housing.
> >
> > the reason i ask is because i was going to pick up a
> > used tranny at the
> > junkyard but noticed that it had considerable work
> > done on it. there was
> > some epoxy on the bell housing possibly covering a
> > hole and some spot
> > welding done on the tranny body. i decided to leave
> > that tranny and take a
> > look at a new one at a shop. the guy at the shop
> > said that it was a common
> > problem for the 16v tranny's to go bad. the new
> > tranny's had fixed that
> > problem, and so did the rebuild kits. i told him
> > that possibly my reverse
> > gear was bad and he said that the clicking noise in
> > reverse was a sign that
> > the tranny was going bad.
> >
> > dave
> >
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>
>=====
>Ron (Cheapass)
>'87 16V, ("Victor"), '93 Cabby ("Teufelhasen")
>ICQ 108845455
>
>"One....two....one...two...three..."
>-Lynyrd Skynyrd
>
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