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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 8+: 60 results shown for Low pressure switch.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

  • Re: Blinking oil pressure light
    Historical mailing list - Dan N
    Sun, 6 Dec 2020 16:51:31 -0800
    ...lot of peripheral items were replaced at rebuild including the low and >> high >> >> pressure senders. Mann oil filter, 10W40 dino oil in winter, 20W50...
  • Re: AC converted to 134
    Historical mailing list - Keith Hughes
    Tue, 19 Jul 2005 09:51:07 -0700
    ...It turns the radiator fan up to high, and if it still can't >lower the pressure the compressor will turn off until pressure...
  • Re: Spooked!
    Historical mailing list - Dennis Haynes
    Sat, 4 Jun 2011 11:30:09 -0400
    ...The high pressure switch is turned on (closed) when pressure is sufficient. At some point oil pressure should be tested with a gauge. You...
  • Re: Need help
    Historical mailing list - John Rodgers
    Mon, 9 May 2005 13:58:40 -0500
    ...This could cause a low enough pressure at the lower pressure sense >switch to cause a buzzer alarm with thick oil. >Jimt > > > >
  • Re: Oil pressure light comes on after about 7 minutes.
    Historical mailing list - Dennis Haynes
    Sun, 12 Dec 2010 23:10:36 -0500
    ...You can waste a lot of time trying to fix the buzzer if the real problem is low pressure...while the engine suffers. Yours...
  • Re: Rislone Ring Seal and Other Oil Pressure Thoughts
    Historical mailing list - Dennis Haynes
    Sun, 13 Oct 2002 09:05:44 -0400
    ...I'm worried that I may actually have low oil pressure and may blow the engine. For those of you new to this odyssey...
  • Re: Faucet modification
    Historical mailing list - Melvin Mudgett-Price
    Thu, 7 Oct 2004 14:35:33 -0400
    ...I put the switch in there though because if there was a drop in pressure anywhere along the line, for instance, there was a...
  • Oil pressure light in 1.9l at idle
    Historical mailing list - pickle vanagon
    Sun, 27 Nov 2011 22:27:27 -0500
    ...So I've ordered parts to install an oil pressure gauge. I realize there's a lower threshold (blue) .25 bar switch that VW...
  • Re: Oil pressure light in 1.9l at idle
    Historical mailing list - HotelWestfalia
    Sun, 27 Nov 2011 21:39:48 -0800
    ...So I've ordered parts to install an oil pressure gauge. > > I realize there's a lower threshold (blue) .25 bar switch that VW...
  • Re: OIL PRESSURE LIGHT
    Historical mailing list - vw_van_fan_Mark
    Fri, 16 Oct 2015 08:19:20 -0700
    ...That leaves either a bad high pressure switch or you really have low oil pressure. Mark John Rodgers wrote: > Got my water pump changed...
  • Re: Diesel AC question. WHat triggers the clutch?
    Historical mailing list - Kenneth Wilford
    Thu, 29 Apr 2004 18:23:21 -0400
    ...Kinda stinks when you are trying to charge an empty system because the stuff sometimes doesn't want to bring the low pressure switch...
  • Re: Idle Control Issues
    Historical mailing list - Richard A Jones
    Sun, 21 Jul 2013 15:03:56 -0600
    ...The only thing connected to the ISCU in that way is the power steering pressure switch. See Bentley 97.107. The AC is 97...
  • Re: what causes low oil pressure
    Historical mailing list - Daniel L. Katz
    Sat, 10 Jan 2004 02:41:29 -0500
    ...so the pressure will stay higher. > >If you change the high oil pressure switch next to the water pump to the lower value or...
  • Re: gauge recommendations
    Historical mailing list - Frank Grunthaner
    Tue, 12 Feb 2002 22:08:13 EST
    What a tasty question! I have: (in the heater air cover) oil pressure, oil temperature, battery voltage taken at the fuse panel and switched...
  • Re: That oil buzzer
    Historical mailing list - Dennis Haynes
    Mon, 4 May 2015 20:50:29 -0400
    ...Basically there are two oil pressure switches. The higher pressure switch is looked at when the engine is over 2,000 rpm. That will...
  • Re: New instrument cluster in '84 Vanagon
    Historical mailing list - John Lauterbach
    Wed, 14 Dec 2005 19:02:34 -0500
    ...The dual oil switch > circuit board never ignores the low pressure switch. It does ignore the > high pressure switch when the engine is at...
  • Re: oil pressure warning system anomaly?
    Historical mailing list - David Beierl
    Fri, 3 Dec 2010 06:50:03 -0500
    ...with the low-pressure sender jumpered (fault condition if engine running) the light nonetheless goes out when engine is started? I'm guessing you...
  • Re: rebuilding a/c compressor??
    Historical mailing list - Roger Sisler
    Tue, 20 May 2008 11:32:46 -0400
    ...Perhaps this is ok, after all most vehicles have a low pressure cut off switch that protects the compressor when refrigerant is low. Oil...
  • Re: High Speed Fan
    Historical mailing list - mark drillock
    Mon, 5 Jul 2004 12:46:15 -0700
    On 86+ models with A/C the radiator temp switches only connect to speeds 1 and 3 (low and high). Speed 2 (medium) is...
  • Re: 86 vanagon Oil Pressure Switch: Super Work Around/Easy In and Out
    Historical mailing list - Mark & Laura Magee
    Sun, 15 Jul 2001 21:39:31 -0500
    ...unit screws into the low pressure outlet (.3bar). The > > >1.8/.9 bar switch screws into the high pressure outlet, which is located > to...
  • Re: '91 Carat AC Inoperative.
    Historical mailing list - John Rodgers
    Wed, 26 Apr 2017 21:02:14 -0500
    ...I >> could >> hear a whistling sound, an on checking, I discovered that the trinary >> switch which is essentially the high/low pressure switch, had...
  • Re: oil light/buzzer comes on for no reason
    Historical mailing list - Ken Lewis
    Fri, 2 Jan 2004 17:07:08 -0500
    ...The low > pressure switch is now part of the new VDO sending > unit. It has an 8 psi threshold. This also works > great. If...
  • the cat did it (solved)
    Historical mailing list - Lawrence Johnson
    Sun, 3 May 1998 17:20:57 -0400
    ...what has low oil pressure got to do with a plugged exhaust? We were told by two reputable VW mechanics that this was not...
  • Re: Oil sensor still buzz after going to Mahle oil filter, now what?
    Historical mailing list - David Beierl
    Wed, 9 Aug 2000 02:39:50 -0400
    ...You can unplug the wire to the second pressure switch (i.e. not the one between the pushrods) and rev the motor over 2000...
  • Re: Oil Pressure Warning Buzzer
    Historical mailing list - Stuart MacMillan
    Tue, 22 Aug 2000 08:19:35 -0700
    ...The problem went from intermittent, ie 2500 rpm > and lower rpm, to a virtually constant buzzing. I then switched to 20W-50 and > in...
  • Re: oil pressure light
    Historical mailing list
    Tue, 8 Oct 1996 22:53:09 -0400
    ...The slightly lower pressure switch took care of thre problem. Dennis
  • Re: Help me diagnose and fix no brake lights
    Historical mailing list - SDF ( aka ;jim lahey' - Scott )
    Fri, 9 Oct 2015 12:49:35 -1000
    ...85-91 vans use 2 wire switches, only for the rear brake >>> lights. >>> >>> For some reason new switch quality seems low and the supply...
  • Re: RE.Advice on Evaporator Icing
    Historical mailing list
    Fri, 4 Aug 2000 11:12:09 EDT
    ...So there is a temperature control for the evaporator, just not a high/low pressure cut out switch or ambient air switch(unless the...
  • Re: 1985 Westy A/C compressor doesn't turn
    Historical mailing list - Keith Hughes
    Mon, 15 Jun 2015 08:02:07 -0700
    ...the pressure switch. There should be voltage at the clutch. If it does, your refrigerant is just too low to make the switch. If...
  • Re: Oil pressure light and buzzer
    Historical mailing list - Steven Sittser
    Wed, 22 Aug 2012 14:21:36 -0400
    ...Would replacing the low-pressure switch really be useful, since my problem was at the high-pressure switch? I assume the pressure is different...
  • Re: Oil pressure hose
    Historical mailing list - Chris S
    Wed, 17 Mar 2010 21:11:26 -0400
    What type of sender are you using for your low rpm pressure warning? 2010/3/17, Greg Potts <greg@pottsfamily.ca>: > Hi Volks, > > Can...
  • Re: Oil Pressure Lamp? Denoument.
    Historical mailing list - Dennis Haynes
    Thu, 10 May 2012 20:28:03 -0400
    ...It's my theory that the oil pressure switch was soaked with coolant and offered a sufficiently low enough resistance to allow current to...
  • Re: Oil pressure gremlin
    Historical mailing list - David Beierl
    Fri, 3 Mar 2000 10:57:09 -0500
    The secondary alarm circuit kicks in at 2000 rpm -- clearly your sender is indicating low pressure right then, but the alarm goes away with...
  • Re: instrument panel
    Historical mailing list - Scott Daniel - Turbovans
    Thu, 29 Sep 2011 21:23:29 -0700
    ...one is your van and engine have a Dynamic Oil Pressure System ( see Bentley ) with two oil pressure switches. An 85 only has one...
  • Cleaning contacts/Oil light buzzer
    Historical mailing list - Nathan Mc Blain
    Fri, 27 Apr 2007 09:11:39 -0700
    ...Tonight when driving the pressure light and buzzer came on. Was my oil pressure always low and now that the contacts are cleaner is...
  • Re: Oil Pressure Gauge Kit
    Historical mailing list - David McNeely
    Wed, 7 Mar 2018 12:19:32 -0800
    ...Pressure > will be higher at the filter, which is first thing in the flow of the oil > from the pump, and the lowest at...
  • Any Vanagons in or around Indianapolis whose engine wiring I could take a peek at?
    Historical mailing list - Mark A Kippert
    Sat, 13 Dec 2008 09:43:39 -0500
    ...The low pressure switch was not connected. I followed the brown wire from the switch to a damaged connector. The wire was just jammed...
  • Re: Oil pressure light and buzzer-Arrgh!
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 1 Aug 2010 19:29:10 -0700
    ...This > time did not work. > Grounded wire, > Faulty switch, > Low oil pressure, (most unlikely) > > Sometimes a cupful of Marvel Mystery oil would get the...
  • Re: Cleaning contacts/Oil light buzzer
    Historical mailing list - Elliot Kane
    Fri, 27 Apr 2007 13:02:36 -0700
    ...Tonight when driving the pressure light and buzzer came on. Was my oil pressure always low and now that the contacts are cleaner is...
  • Re: AC - Again! '91 Carat
    Historical mailing list - John Rodgers
    Sat, 23 Jul 2016 10:53:37 -0500
    ...In other words, if the system wants to turn the compressor on > but can’t due to the low pressure cut out the radiator...
  • Re: Oil Pressure Gauge Kit
    Historical mailing list - OlRivrRat
    Sat, 10 Mar 2018 18:48:53 -0700
    ...Pressure will be higher at the filter, which is first thing in the flow of the oil from the pump, and the lowest at...
  • Re: any guesses on oil light woes
    Historical mailing list - Mark Drillock
    Tue, 23 Jan 2001 05:44:21 -0800
    ...I > have the one switch wire grounded to satisfy the not-so-dynamic oil > pressure system. The low pressure light still works and yes...
  • Re: Can this do that?
    Historical mailing list - Chris S
    Sun, 22 May 2011 21:46:31 -0400
    Test your low oil pressure switch sender. And, you are running an oil pressure and temp gauges, correct? Tencent has a nice setup, but...
  • '86 Westy A/C Problem
    Historical mailing list - Deke Rivers
    Tue, 13 Jan 2009 14:17:03 -0600
    ...Can anyone tell me how I can get to the low-pressure switch and the A/C relay? From what I've been able...
  • Re: Lowering Cooling Sys pressure
    Historical mailing list - Joe L.
    Sun, 2 May 1999 23:49:27 -0400
    ...Lowering Cooling Sys pressure > The lower temp fan switch in conjunction with the lower thermostat results in > lower operating pressures because the thermostat opens...
  • Re: A/C trouble... please help
    Historical mailing list - John Rodgers
    Mon, 15 Feb 2016 19:11:08 -0600
    Dan, I'm not a whiz at all on this but I THINK when the refrigerant pressure gets low enough, it just shuts of...
  • Low Oil Pressure
    Historical mailing list - Craig Oda's Personal email
    Mon, 7 Oct 2002 23:41:29 -0700
    ...I've replaced the oil pressure switch and the wiring that connects it to the wiring harness. I've cleaned out my oil pressure...
  • Oil Relief Plug
    Historical mailing list - Bruce Todd
    Tue, 22 Jun 2021 09:08:22 -0700
    ...The kit moves the low pressure switch from between #3 & 4 cylinders up to the top of the motor and near the t-stat...
  • Re: High Pressure Oil Switch Wire; Tethered to Switch. OEM? PIC
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 12 May 2012 12:30:27 -0700
    ...pressure switch, did the VW factory (Hanover or wherever) > attach the wire running to the high pressure switch, to the body of > the switch...
  • the price of cool
    Historical mailing list - Philip R. Hanlon
    Wed, 25 Jun 1997 12:32:41 -0500
    ...It's a pressure switch that lives behind the left rear panel. It's in the low pressure (narrower hose) side and tells the...
  • article on A/C retrofit to R-134a (new freon)
    Historical mailing list - Joel Walker
    Fri, 26 Aug 94 00:09:25 CDT
    ...1988-93 all except below Receive-dryer~, high $150-190 plus $35 for pressure switch if high-pressure cutout needed switch 1988-92 Eagle...
  • Re: Low Oil Pressure vs. Cooling System Efficiency (Long)
    Historical mailing list - Kenneth D Lewis
    Sat, 29 Sep 2001 08:06:21 -0400
    ...fan switch with lower temperature models with no improvement. After replacing the radiator I was simply amazed with the increase in oil pressure. Thus...
  • Re: Another heating/cooling question
    Historical mailing list - Frank Grunthaner
    Sun, 19 Nov 2000 11:44:37 EST
    ...No air, no pressure change. Air, pressure drop. Very useful device. BTW, I recently switched my coolant pressure gauge from the cheap JCW Boost...
  • A/C Whine
    Historical mailing list - Steve Cotsford
    Tue, 26 Jun 2001 06:49:16 EDT
    ...It disturbs me that there is no low freon pressure switch. Mine leaks very slowly, I have to add a can of R12 every...
  • Re: Oil Light Discovery-Fram Filters
    Historical mailing list - Ken Lewis
    Mon, 29 Dec 2003 08:50:47 -0500
    ...Maybe this would be a better place to connect the aftermarket reomte oil pressure sending unit. Leave the stock low pressure sender(4.4...
  • Re: Purpose of the ports on this AC hose?
    Historical mailing list - Gregg Carlen
    Tue, 24 Jul 2012 18:00:45 -0400
    ...And if converted must have fitting to > match refrigerant used. > A low pressure switch to make sure there is some refrigerant in the system...
  • Re: Oil pressure light and buzzer-Arrgh!
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 1 Aug 2010 20:58:35 -0700
    ...Grounded wire, Faulty switch, Low oil pressure, (most unlikely) Sometimes a cupful of Marvel Mystery oil would get the switch work again. Mostly not...
  • Re: Oil light problem
    Historical mailing list - SDF ( aka ;jim lahey' - Scott )
    Fri, 14 Nov 2014 15:26:19 -1000
    ...once you have that off you'll see the oil pressure switch under there .. and that is where you'll attach your flex line...
  • Re: New engine - Oil lite is red
    Historical mailing list - Bob Donalds
    Sun, 6 Feb 2000 08:42:11 -0500
    ...John a couple of things come to mind did you replace both of the oil pressure switches and could it be that that there...
  • front dash blower & rear a/c blower quit working
    Historical mailing list - Mark Cumnock
    Tue, 6 Jul 2004 20:32:19 -0400
    ...the low pressure side was at 65 psi. the radiator fan was on low. Both of the fuses to the left of the steering...