The same thing happened to me last week ...highway off ramp... short oil light/buzzer. I just checked and the oil is slightly overfilled.
>
> From: Anthony Egeln <regnsuzanne@YAHOO.COM>
> Date: 2006/02/15 Wed PM 10:51:46 EST
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Is it normal...
>
> WOW!!!   You just answered a question I've been waiting to ask the list.  I've been getting the oil pressure buzzer and light after a run on the highway as I decelerate on the off-ramp.  Goes away when I accelerate, and doesn't happen at all around town.  Coincidently this started after my tech replaced the oil cooler seal (had a leak).  It's all very clear now..they overfilled it.  The buzzer/light doesn't happen much...should I just let it burn off or should the excess be removed?   The dipstick shows very little overage...just topped off.
> Thank you sooo much for solving this little mystery!
> Anthony
> '89 Syncro GL (Hidalgo)
>
> Dennis Haynes <dhaynes@OPTONLINE.NET> wrote: Usual causes are overfillitis or piston rings not doing there job. Some
> oil vapor is normal. But if you get massive amounts into the intake
> track, something is wrong. Keep the oil level between the marks on the
> dipstick Do not attempt to keep the level at the top mark. The top mark
> is not the full mark. It is the maximum do not ever exceed not matter
> what mark. The Vanagon engine is extremely sensitive to overfilling.
> When over full, oil temps go up, viscosity goes down. Oil lights and
> buzzers get tested after long highway runs. Very high speeds make thing
> worse as while the viscosity goes down the temps go up some more and the
> vicious cycle goes until you get the buzzer or a rod out the top. All
> this while the water temp is perfectly normal.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Geza Polony
> Sent: Wednesday, February 15, 2006 9:19 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Is it normal...
>
> to have oil inside the AFM body? I just took mine apart to fix vacuum
> leaks
> and found oil all over the place. Shouldn't there be some kind of
> one-way
> valve between the crankcase and the vacuum hoses?
>
> Cleaned it all up, of course, but what will stop this from happening
> again?
>
>
>
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