if there is a metal sealing ring between the oil pressure switch and the engine block ........ it could be leaking there, and tightening the op switch or putting in a new sealing metal ring, if it uses that system, might help. Hi mark 91 westy, Sometimes it's hard to tell where they are actually leaking from..... whether from the wire connection area, the 'top' of the op switch, or from where it screws into the engine. try spraying white talcum or baby powder onto the area, and see if that makes 'the' leak stand out. oil pressure switches can leak, but I can't think of the last one I replace for that reason, fwiw. some oil pressure switches are tapered at the threads, and don't use a sealing washer. some are not tapered, and do use a sealing washer. be sure of which kind you are working on. if it's an aftermarket american one or something ..........I wouldn't want it on my vanagon, that's for sure. Scott
----- Original Message ----- From: "Mark Brush" <mbrush@GMAIL.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Monday, July 27, 2009 7:18 PM Subject: Re: electric plug in engine block
> Yep - that's where the leak was coming from - the oil pressure switch. It > was leaking oil badly enough that it was picking up some water that I > spilled on the block during the coolant drain and fill extravaganza - so > it > looked like water. It's oil upon closer investigation. > > So - from what I can tell - that thing has an o-ring - or maybe I'm better > off replacing the whole switch (maybe it's cracked or something) - any > thoughts on replacing the sealer (o-ring) vs. replacing the whole switch? > > eternally grateful, > > Mark > 1990 Westy 2.1 > > On Sun, Jul 26, 2009 at 10:36 PM, Mark Brush <mbrush@gmail.com> wrote: > >> Yeah, that's the one. Could mine be leaking coolant/water? The leak >> must >> be coming from somewhere else... >> >> On Sun, Jul 26, 2009 at 10:00 PM, Scott Daniel - Turbovans < >> scottdaniel@turbovans.com> wrote: >> >>> Sounds like you are referring to the oil pressure switch there, >>> between the push rod tubes . >>> that one ? >>> >>> Scott >>> ----- Original Message ----- From: "Mark Brush" <mbrush@GMAIL.COM> >>> To: <vanagon@GERRY.VANAGON.COM> >>> Sent: Sunday, July 26, 2009 5:52 PM >>> Subject: electric plug in engine block >>> >>> >>> >>> Hi All - >>>> >>>> What's that electric plug going into the engine block? It's near the >>>> coolant drain plug on the left head. Mine's leaking and I can't find >>>> any >>>> info on it in the Bentley - and I haven't found a posting on the >>>> listserve >>>> yet. >>>> >>>> I have a 1990 Westy 2.1 with a few leaks (btw - I just used the bong >>>> method >>>> for filling with coolant and it worked great!) >>>> >>> >>> >> |
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