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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 High 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: Need a/c hose for 87 Westy Gl
    Historical mailing list - kenneth d lewis
    Sat, 11 Jul 1998 11:29:23 EDT
    ...into all AC >systems. >The high pressure switch will kick the compressor clutch out before >too much >pressure builds up. > >-----Original Message----- >From: GMBulley...
  • Re: Swapping clock for Tach in an 84? a bit long.
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 10 Oct 2009 21:18:00 -0700
    ...The high pressure side of the DOPS is happy if it sees ground,. The high pressure oil switch is reverse logic from a normal...
  • Re: Syncro AC sick
    Historical mailing list - EMZ
    Tue, 2 Jun 1998 22:45:32 -0400
    ...completely six minutes into cooling normally, like as if the > high pressure switch was trying to tell me something. > > After a ten minute shutdown...
  • Re: Oil Buzzer advice
    Historical mailing list - Dennis Haynes
    Fri, 2 Oct 2015 15:10:09 -0400
    ...The second switch works backward from the primary switch. The second switch sees an open condition until oil pressure rises to about 10-15...
  • Re: Catastrophe!! The rest of the story.
    Historical mailing list - Dave Baker
    Fri, 26 Jan 2001 21:43:17 -0600
    ...enough, I could see the naked connector end of the high > pressure switch. So I went fishing to find the wire and connector that...
  • Still doesn't add up, was: Re: [Syncro] Oil pressure mystery, resolved???
    Historical mailing list - Ben McCafferty
    Tue, 1 Oct 2002 08:14:21 -0600
    OK, Bentley says the low pressure switch (between cyl 3 and 4) is .3 bar, or 4.4 psi. The high pressure switch (near...
  • Re: drive from Oklahoma to Spokane, WA
    Historical mailing list - Dennis Haynes
    Sun, 5 Oct 2014 15:18:01 -0400
    ...For testing speed 2 you need to get to the high pressure switch and jump it or get the AC into a high pressure...
  • Re: A/C Fans 2nd and 3rd ?
    Historical mailing list - Dennis Haynes
    Sun, 22 Aug 2010 23:32:17 -0400
    ...If the AC condenser pressure goes above a certain point the fan should go into that noisy high speed. If the radiator switch should...
  • Re: Radiator Aux Cooling Fan 84 vs. 90 - compressor on for Aux Fan to kick-on with 90 model??
    Historical mailing list - James
    Sun, 23 Aug 2015 22:56:05 -0400
    ...This also depends on the fan resistor. > If system (AC) high side pressure increases due to insufficient cooling a pressure switch operates a relay...
  • air conditioner
    Historical mailing list - Hector Zapata
    Thu, 18 Sep 2008 21:26:43 -0400
    ...this happens so because the pressure of the a/c system gets too high and the pressure switch disengages the compressor's clutch, or...
  • Re: Not cold in Maine (AC that is)
    Historical mailing list - Mike Collum
    Sun, 19 Jun 2005 12:31:30 -0400
    ...Mike Mike Collum wrote: > Remember, the '85 has no low pressure cut out switch. > > With the AC turned on ... the compressor's clutch engages...
  • Re: 85 Westy stumbling?
    Historical mailing list - Alan Hosage
    Fri, 13 Jul 2007 17:48:56 EDT
    ...a pressure gauge? What kind of pressure should I look for? When the van acts up, it is not at full throttle/ highway speeds...
  • Re: Oil pressure light in 1.9l at idle
    Historical mailing list - pickle vanagon
    Mon, 2 Jan 2012 20:49:45 -0500
    ...heard of anyone having an old > switch that was still responding, but just at too high a pressure (if > anything I would expect them...
  • Oil light and Warning Horn -WBX 2.1 L
    Historical mailing list - John Rodgers
    Sun, 13 Dec 2015 11:14:30 -0600
    ...Changing out the high pressure switch by the coolant pump pulley SEEMED to do the trick. Haven't a Had an problems so far...
  • Re: Blinking oil pressure light
    Historical mailing list - Larry Alofs
    Mon, 7 Dec 2020 09:28:45 -0500
    VW dealers sometimes give you the wrong sensor when you replace the high pressure one. If you still have the original sensors, try putting...
  • Re: Oil Buzzer advice
    Historical mailing list - Dave Mcneely
    Fri, 2 Oct 2015 17:59:49 -0500
    ...The second switch works backward from the primary switch. The second switch sees an open condition until oil pressure rises to about 10-15...
  • Re: 1.9 no start (flooded)
    Historical mailing list
    Fri, 17 Mar 2000 08:11:10 EST
    ...So it seems pretty obvious that what was going on was that the fuel pressure was too high and basically flooding the motor when...
  • Re: <diesel> oil pressure light at idle/ goes away once engine is warm
    Historical mailing list - Dennis Haynes
    Mon, 12 Jan 2004 18:04:43 -0500
    It is probably a bad switch. At higher pressures, oil leaks past the diaphragm inside and gets to the other side, canceling out the...
  • Re: Swapping clock for Tach in an 84? a bit long.
    Historical mailing list - Don Hanson
    Sat, 10 Oct 2009 20:50:51 -0700
    ...The high > pressure oil switch is reverse logic from a normal oil pressure switch. > Normal ones have the light on when it sees ground...
  • Re: Oil Pressure Light Flickering
    Historical mailing list - Dennis Haynes
    Wed, 19 Feb 2014 23:56:00 -0500
    ...Be sure to get the correct switch. Extended highway speeds will cause the oil to heat up and thin out causing lower oil pressure...
  • Re: lots of a/c trouble shotting questions...
    Historical mailing list - Kim Brennan
    Tue, 6 Jun 2006 18:47:26 -0400
    ...What do you mean by "sky high" pressure on the low side? Yes, there are low and high pressure switches on the system (also...
  • Re: 1991 Carat - the drama continues
    Historical mailing list - Larry Alofs
    Thu, 21 Jul 2016 20:11:31 -0400
    ...pressure switches on the left side of the engine > tends to corrode and make a very high resistance connection causing false > oil pressure alarms...
  • Re: Radiator Aux Cooling Fan 84 vs. 90 - compressor on for Aux Fan to kick-on with 90 model??
    Historical mailing list - Jack Reynaert
    Wed, 2 Sep 2015 14:54:52 -0400
    ...This also depends on the fan resistor. > If system (AC) high side pressure increases due to insufficient > cooling a pressure switch operates a relay...
  • Re: A/C and High Radiator Fan Questions
    Historical mailing list - Mark Drillock
    Wed, 12 Sep 2007 09:06:35 -0700
    ...The relay in the main fuse box is connected only to the refrigerant high pressure switch in one of the A/C hoses and...
  • Re: 2.1 waterboxer oil temp gauge?
    Historical mailing list - Damon Campbell
    Tue, 28 Dec 2004 09:52:51 -0800
    ...Thanks, -Damon --- Dennis Haynes <dhaynes@OPTONLINE.NET> wrote: > That is the high pressure oil pressure sending > switch used by the dynamic oil pressure sending...
  • Re: Advice on Evaporator Icing
    Historical mailing list
    Thu, 3 Aug 2000 18:18:39 EDT
    ...like the ones on all other cars (ambient air switches, high and low pressure switches, etc). Yet another VW well thought out design :) But...
  • Re: Oil pressure light
    Historical mailing list - Dennis Jowell
    Mon, 10 Nov 2014 15:56:05 -0500
    I was hoping to find an electrical oil gauge to work off the existing vanagon pressure switches, Either the high or low pressure switch...
  • Re: Oil light and warning
    Historical mailing list - Jim Felder
    Wed, 18 Nov 2015 21:47:00 +0000
    ...about, was the recomendation to remove > the wire from the high pressure switch by the water pump pully, and groung > it to the block...
  • Re: Fuel pressure too high
    Historical mailing list - David Beierl
    Tue, 6 Mar 2018 17:36:57 -0500
    > > Some Vanagon owners have recently posted on the samba forum about wire > damage due to the positive wire at power steering pump switch having...
  • radiator fan stays on
    Historical mailing list - gary
    Sun, 22 Feb 2004 18:24:43 -0500
    ...hot--could this be related to my A/C problem?(too high pressure, compressor cycles and still no cold air----mechanic says I likely...
  • Re: Oil pressure light and buzzer
    Historical mailing list - Dave Mcneely
    Thu, 19 Apr 2012 08:03:31 -0500
    ...It it doesn't, I'll replace > > the high-pressure sensor switch (assuming I can get to it). > > > > After that... I don't know...
  • A/C hose
    Historical mailing list - Dick Wong
    Sun, 18 May 2014 23:53:29 -0700
    ...I checked the high pressure switch in the D pillar and it showed no continuity. When I bypassed the switch, the clutch engaged. I...
  • Modified Engine Mileage Update...
    Historical mailing list - Robert Lilley
    Sat, 11 Mar 2000 10:52:01 EST
    After replacing some bad FI parts (Replaced temp sensor II that was slightly out of spec, idle control module), readjusting the high fuel pressure...
  • Re: Watch out Westy, there is a new kid in town!
    Historical mailing list - Dave Mcneely
    Mon, 9 Apr 2012 21:00:38 -0500
    ...The 2.5 bar switch activates both the light and buzzer when the pressure drops below that level and RPM are higher -- I think...
  • Re: AC - Again! '91 Carat
    Historical mailing list - Dennis Haynes
    Sat, 23 Jul 2016 10:12:26 -0400
    ...As the AC is operating the if the AC high side pressure goes above ~200 psi the high pressure switch looks to speed up...
  • Re: OIL LIGHT AND BUZZER
    Historical mailing list - kenneth d lewis
    Sat, 12 Aug 2000 12:37:44 EDT
    ...Trace the wire back from the high pressure switch. Drive Safely & Good Luck Ken Lewis <Kernersville,NC> 86 VW crewcab;60 356B Coupe -------------------------------------------------- On...
  • Cutting out....fuel pump acting strange
    Historical mailing list - John Flaherty
    Fri, 15 Dec 2000 19:46:00 -0500
    ...Not the usual vanagon highway bucking, but rather just an occasional blip during city driving. The last couple of days, however, these blips have...
  • Re: what clues about engine health can I get...
    Historical mailing list - Chris S.
    Tue, 15 May 2012 23:07:43 -0400
    Alistair, I use an extension flex hose from the low pressure switch location to a T adapter. I use dual post VDO pressure sender...
  • A/C REPAIRS
    Historical mailing list - David Clarkson
    Thu, 24 May 2007 11:25:39 -0400
    ...We also replaced the cooked lo/high pressure switch on the high side line. The evaporator fan was not running creating high side pressure...
  • Re: Weird cutting out still happening... mechanical switch?
    Historical mailing list - Geza Polony
    Mon, 12 Feb 2007 23:48:59 -0500
    ...does so when there's forward pressure on it as you decelerate. Could be the ignition switch or any number of other connections. I...
  • Re: question regarding front heater switch and knob, 1990 Vanagon GL
    Historical mailing list - Larry Alofs
    Tue, 29 Dec 2009 07:22:36 -0600
    ...switch �from? > > That's because the switch body is thermoplastic; it softened and the > contact pressure drove the hot contact down into the switch...
  • Re: # Importance of pressure and temp monitoring (long)
    Historical mailing list - Steven Dodson
    Tue, 13 Aug 2002 15:28:52 -0400
    ...hacked a replacement pressure switch which somehow >didn't protect the A/C system from high pressure. >Why high pressure? because the radiator fan...
  • 86-91 oil pressure switch
    Historical mailing list - Joel Walker
    Sat, 30 Aug 1997 20:49:42 CDT
    for those of you who have the pleasure of replacing your own oil pressure switch, the high-pressure one, at the back of the...
  • Re: Fans again
    Historical mailing list - George Thorburn
    Mon, 22 Jul 2002 23:07:56 -0600
    ...The high speed fan always comes on when the A/C is on. I think there is a pressure switch in the A/C...
  • Re: buzzing fuel pump - additional info
    Historical mailing list - Larry Hamm
    Mon, 27 Nov 2000 11:22:05 -0700
    ...The only "issue" with the Rabbit fuel pump is > there is not a clamp on fitting on the high pressure end like the Vanagon...
  • Oil Pressure Switch R&R
    Historical mailing list - Old Volks Home
    Thu, 19 Apr 2007 09:27:07 -0700
    ...The "high side" oil pressure switch located just below the crank pulley and next to the oil filter mount has developed a crack in...
  • Re: Oil pressure
    Historical mailing list - Jeff Schwaia
    Fri, 10 Jul 2015 12:18:00 -0700
    ...Oil pressure > > I've got two oil pressure guage setups. One takes pressure from the > pressure switch that monitors oil pressure at the cam...
  • Re: Oil Pressure observation.
    Historical mailing list - Jake de Villiers
    Sat, 30 Jul 2011 08:16:11 -0700
    ...interstate/highway sustained speeds...210f > Oil temperature with oil pressure of 65psi at 3700rpm (60mph) With the > other oil, I was seeing about 55psi...
  • Re: Oil pressure light comes on after about 7 minutes.
    Historical mailing list - Dennis Haynes
    Sun, 12 Dec 2010 10:34:10 -0500
    ...The oil buzzer is operated by the high (.8 bar/11.3 psi) switch. This switch closes when oil pressure is sufficient. If the...
  • Re: Radiator Aux Cooling Fan 84 vs. 90 - compressor on for Aux Fan to kick-on with 90 model??
    Historical mailing list - Larry Alofs
    Wed, 2 Sep 2015 18:39:04 -0400
    ...This also depends on the fan resistor. > > If system (AC) high side pressure increases due to insufficient > > cooling a > pressure switch operates a relay...
  • Re: Read your manual: Oil pressure nonsense
    Historical mailing list - Rich Bennington
    Thu, 14 Sep 2006 12:45:31 -0700
    ...now installing! The single switch on the 1.9 doesn't tell you whether pressure goes up enough at higher rpm, so I guess...
  • Re: Brake Light Switches
    Historical mailing list - John Rodgers
    Mon, 18 Oct 2010 17:16:23 -0500
    ...the float switch for the brake fluid > reservoir rather than the pressure difference like the 3 prong wiring > used. I highly doubt that the...
  • 1.9l with 23psi @ 4000 rpm
    Historical mailing list - pickle vanagon
    Tue, 3 Jan 2012 14:17:50 -0500
    ...heard of anyone having an old >> switch that was still responding, but just at too high a pressure (if >> anything I would expect them...
  • Re: 2.1L WBX high pressure oil switch - removal
    Historical mailing list - John Rodgers
    Mon, 7 Dec 2015 17:41:55 -0600
    ...I talked with the folks at Van Cafe today, and they told me the efficent high oil pressure switch removal and replacement job required...
  • Re: 1.9l with 23psi @ 4000 rpm
    Historical mailing list - Chris S.
    Tue, 3 Jan 2012 21:26:07 -0500
    ...heard of anyone having an old >>> switch that was still responding, but just at too high a pressure (if >>> anything I would expect them...
  • Re: 1991 Carat - the drama continues
    Historical mailing list - Dennis Haynes
    Thu, 21 Jul 2016 19:55:02 -0400
    ...The connector for the oil pressure switches on the left side of the engine tends to corrode and make a very high resistance connection...
  • 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
    ...The > > >1.8/.9 bar switch screws into the high pressure outlet, which is located > to > > >the left of the main pulley and under...
  • Re: Radiator Aux Cooling Fan 84 vs. 90 - compressor on for Aux Fan to kick-on with 90 model??
    Historical mailing list - Dennis Haynes
    Sun, 23 Aug 2015 23:11:31 -0400
    ...This also depends on the fan resistor. > If system (AC) high side pressure increases due to insufficient cooling a pressure switch operates a relay...
  • Re: air conditioner
    Historical mailing list - Hector Zapata
    Fri, 19 Sep 2008 12:32:20 -0400
    ...this happens so > because the pressure of the a/c system gets too high and the pressure switch > disengages the compressor's clutch, or...
  • Re: Oil Buzzer advice
    Historical mailing list - Dave Mcneely
    Fri, 2 Oct 2015 12:51:41 -0500
    ...The second switch works backward from the primary switch. The second switch sees an open condition until oil pressure rises to about 10-15...