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Date:         Thu, 25 Sep 1997 13:35:19 -0500
Reply-To:     bpremack <bpremack@WAVETECH.NET>
Sender:       Vanagon mailing list <Vanagon@Gerry.SDSC.EDU>
From:         bpremack <bpremack@WAVETECH.NET>
Subject:      Fw: Continued oil buzzer/warning light hassle
Content-Type: text/plain; charset=ISO-8859-1

Budd Premack 86 Syncro, 73 Super Minneapolis, MN bpremack@wavetech.net

---------- > From: bpremack <bpremack@wavetech.net> > To: Vanagon List <vanagon@gerru.sdsc.edu> > Subject: Continued oil buzzer/warning light hassle > Date: Thursday, September 25, 1997 12:54 PM > > Thanks to all listees who gave advice on this problem 2 weeks ago. > > Vehicle: 86 Syncro, 131M, engine in good shape. > > Symptoms: The oil warning light/buzzer come on after the first cold start > of the day. The warning begins about 30 seconds after start-up (about the > time the engine gets to 1500+ rpm, and maintains that minimum rpm for a few > seconds). If I simply idle longer at initial start up, the warning waits > until I drive off and the revs get to 1500+. This regularly occurs if > ambient overnight temps are under 60 F. (In Minnesota, most nights are > colder than this.) Warning stops after a few tenths of a mile of 30 mph > driving. Occasionally, warning comes on at idle after engine is fully > warmed up, but stops as soon as normal driving resumes. > > Initial solution: Dump Valvaline 10-40 and Fram filter, and replace with > official VW filter and Castrol 20-50. > > Results: Warning comes on at same time but seems to go off sooner. > > Qustions: Am I really low on oil pressure? What should be done next? > > Research: Vanagon archives indicate a "high" and a "low" oil pressure > switch. The "high" (.9 bar, 13.1 psi) switch is effective at 2000+ rpm. > Does this mean that I should get a new "high" switch and/or check all > electrical connections for this circuit to assure that warnings are > accurate instead of electical gremlins. If switch is ok (and/or replaced > if defective), does this mean warnings are accurate (as the symptoms > replicate consistently), indicating oil pump replacement is necessary. > > Any hints/advice will be greatly appreciated. > > > Budd Premack > 86 Syncro, 73 Super > Minneapolis, MN > bpremack@wavetech.net >


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