Date: Thu, 28 Jul 2016 05:29:20 -0700
Reply-To: Mark McCulley <markmcculley@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Mark McCulley <markmcculley@GMAIL.COM>
Subject: Re: replacing transmission selector shaft seal
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Thanks Gary, but if the transmission is venting properly why would there be
pressure building up? Is there any way to determine if transmission is
overheating? Monitor the temperature somehow? I plan to replace the seal
and then keep an eye out for any leakage but if the transmission needs a
rebuild I'd prefer to do it sooner than later.
-Mark
On Wed, Jul 27, 2016 at 2:13 PM, gary hradek <hradek@yahoo.com> wrote:
> Mark,
> I have the same problem with the oil leaking from selector shaft
> seal. I think this is just a good indicter that you have pressure
> building up in the transmission and fixing the seal will be a waste of
> time. The time to fix it would be when you are getting the clutch done or
> some other big job when you have to pull the engine. What happened to me
> is the end shaft axel seal popped off and oil leaked into the cv boot.
> The selector shaft seal stopped leaking during this time. Now that I
> fixed the axel seal the selector seal is leaking again. My thought is
> that with age and wear the bearings are a bit loose and the differential
> produces more heat so that the oil pressure is higher than it used to be.
> As long as you keep on top of the oil level you can keep driving but you
> may want to stick to 55 mph when you can. You may want to check your axel
> boots for oil now and then. Good luck, Gary
>
> ----------------------------------------------------------------------
>
> Date: Tue, 26 Jul 2016 07:01:47 -0700
> From: Mark McCulley <markmcculley@GMAIL.COM>
> Subject: Re: replacing transmission selector shaft seal
>
> Thanks Dennis. I'll check the fluid level and vent tube.
> There's no reason
> I can think of that the transmissions would overheat, still
> have the stock
> 2.1L and don't pull a trailer. I did switch the type of oil
> I use a few
> years back, 3 years ago I switched from Redline to Delvac
> and then a year
> later I switched back to Redline when I installed a
> driveshaft decoupler.
> Both oils are synthetic 75W90. The transmission has just
> under 200K total
> miles, 80K since rebuild (I don't know if seal was replaced
> then or not).
>
> -Mark
>
> On Mon, Jul 25, 2016 at 7:08 PM, Dennis Haynes <d23haynes57@hotmail.com>
> wrote:
>
> > Yes this seal is easy to replace. However its leaking
> is usually a symptom
> > of something else going on. There is also an
> insert-bushing behind it that
> > may be cracked. Make sure the transmission is not
> overfilled and that the
> > vent tube is not kinked or otherwise clogged. This seal
> never sees enough
> > action that it should wear out. For it to go bad is a
> sign the transmission
> > has been over heating.
> >
> > Dennis
> >
> >
>
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