Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 1+: 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: why 2 oil switches (was: how engine oil degrades) oils)
    Historical mailing list
    Mon, 6 Jan 1997 19:11:55 -0500
    ...The "low" pressure switch is used to alert the driver if the oils pressure dips too LOW while the engine is running at less...
  • Re: Newly operational AC just died...
    Historical mailing list - Dennis Haynes
    Thu, 20 Jul 2006 13:54:06 -0400
    That latter switch is often known as a "Trinary" switch. It combines low and high pressure safety and high speed fan operation. Dennis ----- Original...
  • Re: Newly operational AC just died...
    Historical mailing list - John Bange
    Thu, 20 Jul 2006 09:55:30 -0700
    > There is probably a low pressure cut off switch that saves the > compressor from burning up when the 134a gets low. In post 86...
  • Re: Oil pressure switch question (air cooled)
    Historical mailing list - neil N
    Wed, 6 Aug 2008 15:01:40 -0700
    ...Good to have confirmation on how the VW low pressure switch works. I had the Jetta high pressure switch wired to the Vanagon oil...
  • Re: An AC Puzzle
    Historical mailing list - Dan N
    Thu, 7 Jun 2018 11:13:29 -0700
    low pressure or slow acting pressure switch? it kooks like low pressure to me and it takes time to build up enough pressure to...
  • Re: Oil pressure switch question (air cooled)
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 6 Aug 2008 14:35:16 -0700
    VW engines that have a high and a low oil pressure switch......... the high pressure one uses reverse logic. it never supplies ground, except...
  • RE: AC Question
    Historical mailing list - Michael A. Radtke
    Fri, 28 Mar 1997 12:05:02 -0700
    ...My '69, '72, nor my '84 had low pressure switches. They did have high pressure switches though. I jumped to the conclusion that all...
  • Re: Need some Oil Pressure help
    Historical mailing list - SyncroHead
    Sun, 24 May 1998 01:56:45 EDT
    ...The 0.9 bar switch will make the light come on under normal pressure and turn it off if pressure is too low. The...
  • Re: Still confused, looking for suggestions...
    Historical mailing list - Robert Lilley
    Fri, 10 Aug 2001 15:10:57 EDT
    Jeff, The two switches at as follows: Low: Light comes on when there is not enough oil pressure below 2000 rpm. comes on at...
  • Re: 89 Wolfs/Newbie ??
    Historical mailing list
    Sun, 30 Nov 1997 20:43:34 -0500
    ...This will tell you if the oil pressure switches are actually engaging or not. If they are indicating too low an oil pressure, it...
  • Oil pressure sander/switch anatomy. (explanation)
    Historical mailing list - Ben huot
    Wed, 13 Mar 2002 15:42:46 -0500
    ...The "low" pressure switch is used to alert the driver if the oils pressure dips too LOW while the engine is running at less...
  • Re: Vanagon 2.1 Oil Pressure
    Historical mailing list - SyncroHead
    Sat, 4 Apr 1998 03:20:26 EST
    ...Low oil pressure exists (below .3 bar), keeping .3 bar switch closed Oil light: Flashes Buzzer: Silent 2. Normal oil pressure exists (above .3...
  • Re: Oil pressure switch problem
    Historical mailing list - Matthew Pollard
    Tue, 9 Apr 2002 17:09:19 -0700
    ...just low oil pressure? what weight of oil? -matthew Solange B�rub� wrote: > > I've been dealing with this stupid oil pressure switch problem...
  • Re: I guess if I'm putting on a tencentlife oil cooler . . .
    Historical mailing list - Jim Arnott
    Sun, 10 Apr 2011 11:37:38 -0700
    ...If the pressure drops below .3 bar the light goes on. Period. 2.1: Two pressure switches and a few electronics. Low pressure switch...
  • Re: Warning light
    Historical mailing list - Dave Mcneely
    Wed, 5 Nov 2014 09:11:13 -0600
    ...The high pressure switch is ignored. When the engine is > > started oil pressure will open the low pressure switch and turn the light > > off...
  • Re: Warning light
    Historical mailing list - Dennis Jowell
    Thu, 6 Nov 2014 06:30:01 -0500
    ...The high pressure switch is ignored. When the engine is >>> started oil pressure will open the low pressure switch and turn the light >>> off...
  • plan for oil pressure gauge install- opinions wtd
    Historical mailing list - Matt Sutton
    Thu, 17 Mar 2005 07:40:11 -0500
    ...Will the low pressure switch work in the new location? Is the there a single pole VDO sender (or other manufacturer) that will fit...
  • Oil pressure switch problem
    Historical mailing list - Solange B�rub�
    Tue, 9 Apr 2002 20:04:16 -0400
    ...pressure switch problem and need some help. Note that I have no reason to think that my motor has a true low oil pressure...
  • Re: Oil pressure switch problem
    Historical mailing list - Karl Wolz
    Tue, 9 Apr 2002 23:35:22 -0700
    ...pressure switch problem and need > some help. Note that I have no reason to think that my motor has a true > low oil pressure...
  • Re: Bypassing low preasure switch
    Historical mailing list - Jeff
    Sun, 10 Aug 2008 18:15:18 -0700
    ...Bypassing low preasure switch From what list members have told me, I need to bypass the A/C low pressure switch to get the...
  • Re: Warning light
    Historical mailing list - Dennis Jowell
    Wed, 5 Nov 2014 06:22:57 -0500
    ...The high pressure switch is ignored. When the engine is > started oil pressure will open the low pressure switch and turn the light > off...
  • Re: oil pressure switch 2 - HELP
    Historical mailing list - Tonya Pope
    Wed, 5 May 1999 13:55:58 -0500
    ...hmm - theory, could the pressure be too high cause the low switch to start leaking due to the pressure and now that the leak...
  • Re: Warning light
    Historical mailing list - Dennis Haynes
    Tue, 4 Nov 2014 19:45:05 -0500
    ...The high pressure switch is ignored. When the engine is started oil pressure will open the low pressure switch and turn the light off...
  • Re: Oil Light / Buzzer despite NORMAL pressure
    Historical mailing list - Dennis Haynes
    Wed, 21 May 2003 23:02:43 -0400
    ...The low speed-pressure system consists of a low pressure switch sensing oil pressure at the lowest pressure point in the system, the center...
  • Re: AC Thermostat
    Historical mailing list - Mike Collum
    Tue, 11 Jul 2006 00:25:19 -0400
    ...The low pressure switches on our Vanagons should prevent that from occurring. <snip> Just for clarification ... the older Vanagons with dealer or port of...
  • Re: Oil Light / Buzzer despite NORMAL pressure
    Historical mailing list - mark drillock
    Wed, 21 May 2003 20:19:18 -0700
    VW did a smart thing with the 2.1 engine oil pressure system. It uses 2 switches and monitors one at low rpm and...
  • Re: '84 Vanagon 1.9 engine oil pressure switch etc. Now have voltage data on wire from oil pressure switch to instrument panel
    Historical mailing list - Frank Condelli
    Mon, 29 May 2017 05:24:35 -0400
    ...The oil pressure switches we sell are not these colours. Low pressure switches, 0.03 bar, are BLUE and high pressure switches, 0.09...
  • Oil pressure checking
    Historical mailing list - Zoltan
    Fri, 21 Jan 2005 17:10:17 -0800
    ...oil pressure at the head where the low pressure switch is located or do I have to check at the high pressure switch place...
  • 86+ cluster oil warning system
    Historical mailing list - mark drillock
    Mon, 9 Jan 2006 16:21:09 -0800
    First, realize that the 2 switches work in opposite ways. The low switch is the normal kind, grounded when there is no pressure, open...
  • VDO Oil Sender Setup
    Historical mailing list - Chris S
    Wed, 16 May 2012 10:03:40 -0400
    ...http://i16.photobucket.com/albums/b7/misterpolak/Misc%20VW%20nuttiness/VDOSender.jpg I have a flex hose connected to low oil pressure switch port...
  • Re: Oil pressure switches
    Historical mailing list - Johan Nyberg
    Thu, 6 May 1999 14:29:39 +0100
    ...The low pressure switch controls the idiot light only. It would be interesting to know when the buzzer is buzzing, and when the light...
  • Re: AC problem
    Historical mailing list - Ram�n Celaya
    Thu, 13 Sep 2001 16:44:37 -0700
    ...The other switch is for the radiator fan when the > pressure getts very high in the system. The purpose of the low pressure > switch...
  • Re: A/C guru's help needed
    Historical mailing list - DaveC
    Thu, 21 Jun 2001 08:42:35 -0700
    >While trying to get my 318 A/C working I found that the low pressure switch >is in the open position causing the compressor...
  • Re: A/C Relay
    Historical mailing list - Willie T. Lafrades
    Fri, 25 Sep 1998 19:51:36 EDT
    ...proper pressure in the system and my compressor is working what damage could be done if I physically jump this low pressure switch? All...
  • Re(2): how engine oil degrades (was: sysnthetic oils)
    Historical mailing list
    Fri, 3 Jan 1997 10:31:02 -0500
    ...I am still unclear whether or not the two switches measure too low and too high oil pressure. Charles
  • Friday NVC: basic Jetta AC question(s)
    Historical mailing list - Jim Felder
    Fri, 18 Sep 2009 06:06:50 -0500
    ...Which is the low pressure side , the one near the compressor? Also, IIRC you have to jumper the compressor switch to override the low...
  • Re: oil idiot light wierdness
    Historical mailing list
    Sun, 22 Sep 1996 23:40:57 PST
    ...You have two oil pressure sensing switches. The low pressure switch (4.4) must open between 2.2 and 6.5 psi. It is...
  • Re: oil pressure switches
    Historical mailing list - Karl M.
    Sat, 2 Jun 2001 23:43:43 -0400
    The sensor between the pushrod tubes is the low-pressure one. Sounds like it is working correctly. The high pressure switch is located below...
  • Re: Oil Pressure Switch..
    Historical mailing list - Karl Bloss
    Thu, 8 Jun 2000 09:20:56 -0400
    ...The > first one is the high pressure switch, the second is the > low pressure switch. It's really difficult to access either > of these...
  • Bypassing low preasure switch
    Historical mailing list - Chris Snyder
    Sun, 10 Aug 2008 20:55:41 EDT
    From what list members have told me, I need to bypass the A/C low pressure switch to get the compressor to run so...
  • Re: Oil pressure light and buzzer
    Historical mailing list - vw_van_fan_Mark
    Sat, 7 Nov 2015 20:38:39 -0800
    ...The faster the pump turns the more oil pressure it makes. In a basic system there is 1 oil pressure switch, with a low...
  • Re: Oil Pressure Switch..
    Historical mailing list - Peter Cassidy
    Thu, 8 Jun 2000 10:26:27 +0100
    ...The first one is the high pressure switch, the second is the low pressure switch. It's really difficult to access either of these...
  • Re: plan for oil pressure gauge install- opinions wtd
    Historical mailing list - Bob Stevens
    Thu, 17 Mar 2005 06:00:29 -0700
    ...Will the low pressure switch work > in > the new location? Is the there a single pole VDO sender (or other > manufacturer) that will fit...
  • Re: Oil pressure switch problem
    Historical mailing list - Larry Alofs
    Sun, 14 Apr 2002 09:31:17 -0500
    ...pressure switch problem and need > some help. Note that I have no reason to think that my motor has a true > low oil pressure...
  • Re: all my R12 is gone..? (bummer)
    Historical mailing list - Roger Sisler
    Wed, 25 May 2005 10:51:15 -0400
    ...They can sell you a low pressure cut off switch to prevent this from happening again. With the switch, your system will not operate...
  • Re: Euro-Elec: 91 Volkswagen Vanagon, idiot lights, oil light
    Historical mailing list - Gary McEachern
    Sat, 15 Jan 2000 23:49:59 EST
    ...The switch closes (low resistance, <10 ohms) when the pressure is above 0.9 bar. This "high pressure" switch is used by the Oil...
  • Re: oil buzzer/light (was vdo...)
    Historical mailing list
    Tue, 25 Mar 1997 14:57:56 -0500 (EST)
    ...While the engine has two oil pressure switches, BOTH are to indicate when oil pressure is too LOW. There's a higher threshold on...
  • Re: Euro-Elec: 91 Volkswagen Vanagon, idiot lights, oil light
    Historical mailing list - Gary McEachern
    Sat, 15 Jan 2000 23:45:56 EST
    ...The switch closes (low resistance, <10 ohms) when the pressure is above 0.9 bar. This "high pressure" switch is used by the Oil...
  • Re: oil pressure light problem
    Historical mailing list - Robert Donalds
    Thu, 5 Sep 2002 08:14:29 -0400
    ...The dealer and most parts store list a higher pressure switch. you could still have issues with oil pressure if the engine is over...
  • Re: Oil pressure low limit
    Historical mailing list - Allan Streib
    Mon, 9 Mar 2009 21:49:50 -0400
    ...I thought the boxers had a bit lower idle pressure than that. The low pressure warning switch is only 0.3 bar which is...
  • Re: Source for low pressure oil switch
    Historical mailing list - Shawn Watson
    Tue, 19 Jul 2005 22:00:39 -0600
    ...Source for low pressure oil switch Bow Wow has all three senders. Seeya, Jake ----- Original Message ----- From: "Vince Jahn" <vljahn@SBCGLOBAL.NET> To: <vanagon...
  • Re: Oil pressure light and buzzer
    Historical mailing list - Dennis Haynes
    Sun, 8 Nov 2015 14:09:51 -0500
    ...The faster the pump turns the more oil pressure it makes. In a basic system there is 1 oil pressure switch, with a low...
  • Re: how engine oil degrades (was: sysnthetic oils)
    Historical mailing list
    Thu, 2 Jan 1997 19:06:31 PST
    You have two oil pressure sensing switches. The low pressure switch (4.4) must open between 2.2 and 6.5 psi. It is...
  • Re: Oil pressure light and buzzer
    Historical mailing list - Neil N
    Sat, 29 Jul 2017 23:20:52 -0700
    ...Oil pressure switches do wear out too. This is not to say that you don't have low oil pressure. The Bentley diagrams show...
  • Re: [PHISH][subaruvanagon] Re: A/C hose blew!
    Historical mailing list - mark drillock
    Sat, 27 Aug 2011 15:07:21 -0700
    There is no such switch that does what was described. The are 2 pressure switches but they do something else. The low pressure switch...
  • Re: Oil pressure switch problem
    Historical mailing list - Stan Wilder
    Tue, 9 Apr 2002 19:20:27 -0500
    ...pressure switch problem and > need > some help. Note that I have no reason to think that my motor has a > true > low oil pressure...
  • Re: Newly operational AC just died...
    Historical mailing list - Roger Sisler
    Wed, 19 Jul 2006 17:24:47 -0400
    ...There is probably a low pressure cut off switch that saves the compressor from burning up when the 134a gets low. In post 86...
  • Possible FAQ? (warning: kinda long)
    Historical mailing list
    Tue, 19 Aug 97 12:06:12 -0700
    ...If the pressure at the low pressure switch drops below the switch's limit (closing the circuit) at any time while the engine is...
  • ac pressure question
    Historical mailing list - Keith Hughes
    Mon, 1 Jul 2002 16:26:41 -0700
    ...The Middle speed is engaged when the a/c compressor kicks in (and the low pressure switch is made), at which point the a...
  • Re: Cleaning contacts/Oil light buzzer
    Historical mailing list - Nathan Mc Blain
    Fri, 27 Apr 2007 13:33:26 -0700
    ...The low rpm oil pressure switch works the old fashioned way, disconnected = no oil light. Mark Nathan Mc Blain wrote: > After the coments recently...