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Date:         Thu, 12 Jul 2001 07:48:10 -0500
Reply-To:     Larry Alofs <lalofs@ENTERACT.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Larry Alofs <lalofs@ENTERACT.COM>
Subject:      Re: 90 Vanagon Oil Press Buzzer & Oil Light's on: Tis a Mistery
Comments: To: Mark & Laura Magee <marklaura@HOUSTON.RR.COM>
Content-Type: text/plain; charset=us-ascii

Mark & Laura Magee wrote:

> Volks, > A dash buzzer went off me the other day intermittently and I had never > heard it before and didn't know what it was signaling. I later in the > drive (almost home) notice that when the buzzer buzzed, the oil light > flickered. I discussed this with my wife, to keep a sharp eye on this > situation. I jumped in my other sled and went to work, wife called later > and buzzer scared her, she pulled over and oil had been lost, about 1 > quart. > I traced the oil leak to the oil pressure sending unit located near the > oil pump. I talked to my mech and between his opinion and my own > experience I replaced the sending unit. This fixed the oil leak, but now > the buzzer -still- goes off after about 10 minutes of driving and the > oil lights on. > My mech tells me their were apparently problems with this IC board that > contains this buzzer unit, and it is prone to failure. > There are no other symptoms. Car no longer leaks and runs great, but > buzzer buzzes and oil light flickers after about 10 mins driving. > I am lost at explaining how the sending could fail (leak oil) and that > simultaneously the IC board could fail that sets off the buzzer and oil > light. I suppose it it possible that this first "buzz" on the buzzer > fried some component on the board. > Nonetheless, anyone have this happen to them. I think my mech will > recommend disconnecting the buzzer (if I can get to it!), as he said he > has done in quite a few VW's due to defective IC board/components. > Anyone have any ideas? Should I disconnect the buzzer unit? Will this > disable the idiot light function. > I will probably install a gauge in the future, but for know I can't > drive to unnerving feature of buzzer scaring wife into thinking she is > cooking the engine. > Any and all help/feedback appreciated. > Mark Magee > 90 Vanagon Carat

It seems likely that you have installed the 1.8 bar switch ( 056919081E ) when you should have the .9 bar switch ( 068919081A ). It seems that dealers routinely give us the wrong one. BTDT

Larry A. 91 GL


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