Date: Sat, 15 Jan 2000 19:52:48 -0500
Reply-To: Bob Donalds <bostneng@FCL-US.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Bob Donalds <bostneng@FCL-US.NET>
Organization: Boston Engine Exchange
Subject: Re: Euro-Elec: 91 Volkswagen Vanagon, idiot lights, oil light
Content-Type: text/plain; charset=us-ascii
Richard Meissenheimer (by way of Derek Drew ) wrote:
>
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>
> 1991 Volkswagen Vanagon 2.1 L
>
> Trans: Standard
> Mileage: 200,000 kilometers
> VIN: WV2ZB0256M
>
> Misc Data: Synchro
> Affected Item: oil light
> Condition: flashing
>
> ____________________________________________________________
>
> After installing replacement engine, oil light flashes when
> engine is warm and idling. I installed a new grey oil
> pressure sensor in the port below the water pump. This did
> not change anything. I then found out that there is a
> second oil pressure sensor between the push rod tubes on
> the left side of the engine. I replaced that one with a
> known good grey switch. This did not change anything. I
> have not checked the actual pressure because I do not have
> the necessary adapters for my oil pressure gauge, and also
> because of the inaccessibility of the ports. I measured the
> resistance of the switches and found them to be 2.5k with
> the engine off and about 400 with the engine running. Can
> anyone explain to me how this system works? Things were so
> much simpler when VW's used air to cool their engines!
> Thank you in advance.
>
> Richard Meissenheimer
> bonnie_baker@telus.net
> Technician/Shop Foreman
> Lakeside Auto Sales
> Nelson, British Columbia, Canada
>
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Richard
you say its a fresh engine so I will point out a couple of things that
come to mind first if you used the Victor reinz gaskets set it has an
oil pump gasket that is thicker than the part # calls for its the same
as a bug in part # but it measures .006 to .008ths thick all other
gaskets in every other set bug and vanagon are .004ths thick.the
thicker.008ths gasket gives you 1/2 the oil perssure when used. I have
posted this to the list in the past and its worth repeating. the next
thing that needs to be checked out is did the big ends of the rod get
resized and new bolts if not then this could be the reason for your low
oil pressure. this is covered in lenght on my web page the article is
named low oil pressure at warm idle
good luck
Bob Donalds
http://www.bostonengine.com
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