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Date:         Sun, 1 Aug 2010 22:47:00 -0500
Reply-To:     Ry <rylincoln@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Ry <rylincoln@GMAIL.COM>
Subject:      Re: Oil pressure light and buzzer-Arrgh!
Comments: To: Scott Daniel - Turbovans <scottdaniel@turbovans.com>
In-Reply-To:  <10f101cb31ea$81e3cf50$6401a8c0@PROSPERITY>
Content-Type: text/plain; charset=ISO-8859-1

I run with the 2200rpm oil switch grounded to the engine block. BUT I have an oil pressure gauge and I am very attentive to my gauges. I have an oil temperature gauge hooked up to where my high rpm oil switch was.

-Ry http://www.google.com/profiles/rylincoln

On Sun, Aug 1, 2010 at 9:29 PM, Scott Daniel - Turbovans < scottdaniel@turbovans.com> wrote:

> grounded wire for the high rpm oil pressure switch will keep the DOPS happy > .. > whether there is oil pressure or not. > > if it's open to the high rpm switch .. > the DOPS will think there's no OP at high rpm and set off the alarm. > > so if it shorts to ground.. > everything will look like it's ok... > when you turn on the key, when at low rpm etc .. > and you won't even know the high rpm portion isn't working .. > if that wire gets grounded. > > there are lots of cars btw, running around with non-working oil warning > lights. > got one here right now .. > 91 syncro ....2.1 ( 2.2 actually ) waterboxer engine. > turn on the key, oil light does not flash. > which means the low rpm portion is not working .........it's probably been > that way for years without the van's driver/owners realizing the low rpm > oil > pressure warning isn't working. > > and it DOES say ..in the owner's manual.. > turn on the key, see the oil light flashing ....that's a test that it's > working. > many people do not notice non-functioning warning lights, evidently. > I see it a few times a year on various cars and vanagons. > > and if the wire to a 2.1 wbxr engine's high rpm oil pressure switch is > grounded .. > there will never be any indication that's not working. It will look like it > is, but it can't be of course. > > I know this since it's what we do for a subaru engine installation .. > just ground that wire , that keeps the DOPS happy for the high rpm oil > pressure warning function. > > > Scott > www.turbovans.com > > > > ----- Original Message ----- > From: "Zolly" <zolo@FOXINTERNET.NET> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Sunday, August 01, 2010 11:13 AM > Subject: Re: Oil pressure light and buzzer-Arrgh! > > > At that speed does the high pressure switch start working. Or not. This >> time did not work. >> Grounded wire, >> Faulty switch, >> Low oil pressure, (most unlikely) >> >> Sometimes a cupful of Marvel Mystery oil would get the switch work again. >> Mostly not. >> Zoltan >> >> ----- Original Message ----- >> From: "Larry Alofs" <lalofs@GMAIL.COM> >> To: <vanagon@GERRY.VANAGON.COM> >> Sent: Sunday, August 01, 2010 10:28 AM >> Subject: Re: Oil pressure light and buzzer-Arrgh! >> >> >> If it goes off only at rpms>2200, the engine tin should not be >> involved. The high speed sensor is at the rear of the engine near the >> crank pulley. Check the wire connecting to it and then check whether >> it provides a connection to ground which changes with engine speed. >> >> Larry A. >> >> >> On Sun, Aug 1, 2010 at 12:55 PM, David Clarkson <Dvdclarksn@aol.com> >> wrote: >> >>> Time for some diagnostic work I'm afraid. In my ten years of owning my 90 >>> Westy I have never had this warning activate. It went off just yards from >>> my >>> driveway fortunately (thank you Van Gods). I checked it again this >>> morning >>> and it does magically activate at 2200 RPM's. I have perused that >>> Archives >>> and will set out to check all of the wiring and also for leaks at the >>> sensors. Of course, I have 15w-40 Mobil 1, correct oil level , Mahle >>> filter and >>> no apparent issues with the oil itself. Quick check doesn't show any >>> corrosion at the connector that splits off the wiring to each of the >>> sensors. >>> Not looking forward to possible removal of exhaust nuts to remove the >>> engine >>> tin. I have had some sort of slow oil leak from behind this tin so I'll >>> check this too. Wonder could it be a leaking sensor? I had the van up on >>> a >>> lift cleaning off dye in the AC for a known leak at one of the condenser >>> connections (another frustrating problem now secondary to this >>> frightening >>> issue >>> ) then after driving about 15 miles home it went off and my heart sank. >>> Just don't have the money in the budget for the Subi 2.5 transplant yet. >>> The >>> only other likely possibility not near the engine area that might explain >>> this issue is the sometimes problematic 14 point ribbon connection at the >>> speedo that is very fragile with a broken corner of the plastic that the >>> ribbon folds over and the connector slips on to. According to the >>> archives >>> this >>> connector carries the wiring from the sensors. Guess its time to get her >>> up on ramps (don't want to drive back to work to use the lift should I >>> have >>> a true oil pressure issue) and scrape the knuckles and try not to use my >>> outside cursing voice. The engine was rebuilt about 100,000 miles ago by >>> The >>> Bug Shop in Blacksburg, Va. -Plug for the Bug Shop and Jewel the >>> owner-excellent rebuild IMHO. It was broken in on conventional Dino oil >>> for the first >>> 10,000 miles and then nothing but 15-40 Mobil One. Oil changed every >>> 7,000 >>> miles and filter change every 3500 miles. I'll report back on my >>> findings. >>> Got to have her ready for the trip to the Outer Banks without breaking >>> the >>> bank in two weeks. >>> >>> >>> >>> David Clarkson >>> 1990 Westfalia >>> >>> >> >> >> -------------------------------------------------------------------------------- >> >> >> >> No virus found in this incoming message. >> Checked by AVG - www.avg.com >> Version: 9.0.851 / Virus Database: 271.1.1/3043 - Release Date: 07/31/10 >> 23:34:00 >> >


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