Date: Sun, 16 Jun 2002 10:20:20 -0700
Reply-To: AA Transaxle <aatransaxle@JUNO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: AA Transaxle <aatransaxle@JUNO.COM>
Subject: Re: Second mainshaft seal failure....
Content-Type: text/plain
Tom...I use German seals and put a thin coating of grease around it.
Tapping it slowly into the bell housing with a driver (tube with a metal
cap on top that put even pressure on the seal) Even if the outside
buggers up a bit, the inside never has a problem. Never had a leak on one
of my rebuilds from that seal...Are you sure its trans oil and not eng
oil from the flywheel seal??? Have had several shops find that out the
hard way.
There is a bushing that is part of the bell hsg that comes loose at times
that keeps some of the "splashed oil" out of the seal. When those come
loose, the mainshaft gets buggered up behind the seal sealing surface and
might cause the seal to fail. Mind you, I replace the seal with the bell
housing off the tranny, so its easy to see if there is a problem.You can
repair/reinstall the bushing/slinger if that is the case by swedging the
serrated part and tapping it back into the bell hsg and secure using JB
weld. If your pilot bearing is good there shouldn't be any play to cause
the seal to leak, but there is some play with the trans out of the van.
About 1/8" up/down play on the mainshaft for most of them is normal.
Thats all I can think of..call if you still have a problem
Daryl of AA Transaxle
Duvall, WA. (Seattle area)
(425) 788-4070
1-877-377-0773 (toll free)
aatransaxle.com (web site)
On Sat, 15 Jun 2002 16:57:25 -0700 "Thomas D. Hanlon"
<hanran@earthlink.net> writes:
> Listees,
>
> Can someone suggest the cause/causes of failure of main shaft seals
> in
> conjunction with clutch replacement work?
>
> I have installed a complete LUK clutch kit, successfully, "almost,"
> and
> I've reinstalled the transmission main shaft seal, twice. I used no
> lubricant nor sealant in conjunction with the installation of the
> mainshaft seal. (See post "OOPs..Leaking transmission after clutch
> replacement.") The first replaced seal was distressed/torn/ripped
> around
> the interior, that part which surrounds the main shaft. The
> condition of
> the second seal is unknown, at this time. The transmission is
> leaking at
> the junction of the engine and the bell housing. "Once more into the
> breach..."
>
> The transmission was twice removed and reinstalled, gently, and
> precisely, using two floor jacks, without any apparent stress of the
> main shaft. (Thank you, Stan). The main shaft appears to be
> damage-free.
>
> Thanks,
>
> Tom Hanlon
> Palm Springs, CA
> 84 Westfalia
>
>
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