Date: Mon, 18 Oct 2010 23:28:56 -0700
Reply-To: Roger Whittaker <rogerwhitt1@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Roger Whittaker <rogerwhitt1@GMAIL.COM>
Subject: Re: oil leak on 1984 1.9
In-Reply-To: <6EF7092DED0045C78F5050988B781C21@SHIREWOOD>
Content-Type: text/plain; charset=ISO-8859-1
dear sir leaks alot
says ... Why does it always seem like there is only one way to
get it right, but a hundred ways to get it wrong. Doesn't seem fair.
whats that tag line say
i have not discovered the wrong one
simply 10000 ones that do not work
or something like that ...
i used those words on my wedding cake
even my wife laughed ...
ya aaaaahhh
yours
On Mon, Oct 18, 2010 at 11:05 PM, Doug <shirewood@wildblue.net> wrote:
> Thanks for the ideas, gentlemen. Sounds like a veritable rear seal
> minefield out there. Why does it always seem like there is only one way to
> get it right, but a hundred ways to get it wrong. Doesn't seem fair.
>
> Doug E.
> '84 Van-Go
> '67 vw convertible Vert-i-go
>
>
>
> ----- Original Message -----
> From: "Scott Daniel - Turbovans" <scottdaniel@turbovans.com>
> To: "Doug" <shirewood@WILDBLUE.NET>; <vanagon@GERRY.VANAGON.COM>
> Sent: Monday, October 18, 2010 5:37 PM
> Subject: Re: oil leak on 1984 1.9
>
>
> my thoughts ..
>> for one use a red german rear main seal. ( or red lipped )
>> the black ones get hard and brittle after a while.
>>
>> I would be suspicious it's 'more' than just the rear main seal or how it
>> was installed.
>>
>> things that come to my mind ...high crankcase pressure from being a
>> well-worn engine.
>> As a test, try running it with the dipstick pulled up an inch ..
>> if relieving the crankcase pressure like that makes the RMS stop leaking
>> ..
>> you've found 'why.'
>>
>> Too large main bearing oil clearance comes to mind.
>> Besides checking end play ..
>> a very crude test is to see how far left-right you can move the flywheel
>> ( engine and trans have to be separated of course ) .
>> It shouldn't move at all.
>> Being an opposed four the forces are left-right there ..
>> it was an air-cooled, but I have seen a flywheel move sideways nearly an
>> eight inch ( ok, maybe a fat 1/16th ) ..either from large oil clearance or
>> bearing loose in the case ..
>> just something to check is all...that may or may not reveal something.
>> I'm not sure I'd pull the engine just to wiggle on the flywheel since it's
>> unlikely to be bad there ..but do think about oil clearance on the main
>> bearing next to the flywheel.
>>
>> and you're sure it's engine oil and not gear oil ?
>>
>> did you ask him what he saw when he replaced the first 'bad' one ?
>> Like .............what would be good is he saw where he made a mistake or
>> something ..
>> or it was a cheap or faulty seal, or got damaged on installation ( sealing
>> surface on the crank still nice and smooth ? ) ...
>> like if he saw 'no reason' for the first one to leak,
>> and it was 'well, let's try another new one' ....
>> might not have been really getting to the 'real' problem, obviously.
>>
>> I've not heard of any oil gallery plugs leaking on the flywheel end of the
>> engine, or cracked case..
>> but it is a vw ..anything is possible ! lol.
>>
>> for the moment..I'm leaning toward too high crankcase pressure or too
>> large oil clearance at the main bearing there ...but I hope it's neither
>> of those.
>>
>> Scott
>> www.turbovans.com
>> ----- Original Message -----
>> From: "Doug" <shirewood@WILDBLUE.NET>
>> To: <vanagon@GERRY.VANAGON.COM>
>> Sent: Monday, October 18, 2010 5:04 PM
>> Subject: oil leak on 1984 1.9
>>
>>
>> Seeking help figuring out an oil leak.
>> History: Had my local mechanic [competent and ethical] pull the
>> transmission last year so Daryl could install a LSD for improved traction.
>> My mechanic replaced the rear seals at that time and put everything back
>> together. Six months later I notice a significant oil leak which drips
>> down where the engine and transmission join. I tell him about it and he
>> says bring it in. He drops the trany and replaces the seal.
>> When I pick it up he says no charge. "I was the last one in there."
>> Today, one month later I had to go back to the shop and tell him it has
>> been leaking since I got it. I asked him if he wanted me to take it to a
>> Vanagon mechanic. He still feels responsible but ask me to post the
>> question to you all if there are any suggestions as to what is going on
>> here. I mentioned I thought I had read on here something about high case
>> pressure. What is the test for that? Compression? This is a high
>> mileage engine, but it's a strong runner and normally doesn't use much
>> oil. He checked the end play and said it was ok.
>> Thanks
>> Doug E.
>> '84 Van-Go
>> '67 vw convertible Vert-i-go
>>
>
--
roger w
From Proverbs:
Under three things the earth trembles, under four it cannot bear up: a
servant who becomes king ...
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