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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 4+: 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: oil pressure-quaker state filters/Fram filters
  Historical mailing list - Dennis Haynes
  Tue, 21 Jul 1998 22:42:48 -0400
  ...If a filter was more restrictive than stock, than this switch would see a higher pressure and would be even less likely to cause...
• Re: what causes low oil pressure
  Historical mailing list - Jeff
  Sat, 10 Jan 2004 19:17:32 -0700
  ...Both > electrical and mechanical with oil pressure gauges. When replacing the > switches, make sure to get the correct ones. The high pressure switch > (rear...
• Re(2): why 2 oil switches (was: how engine oil degrades) oil
  Historical mailing list
  Tue, 7 Jan 1997 10:09:44 -0500
  Jim, Thanks for the excellent explanation of the high and low oil pressure switches and how they function. I have been wondering about this...
• Oil pressure light
  Historical mailing list - Moritz, Thomas W NWW
  Fri, 24 Aug 2001 09:25:12 -0700
  ...I have checked the pressure by pulling the 0.3bar switch and installing a pressure gauge. I have 7-8 psi (0.48-0...
• Thought problem for Friday
  Historical mailing list - Stuart MacMillan
  Fri, 16 Mar 2018 09:25:39 -0700
  ...It's pitch (frequency) changes with pedal pressure (higher with more pressure), and only happens on AM stations. Unfortunately, my favorite sports radio stations...
• 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
  ...to > this high pressure switch, did the VW factory (Hanover or wherever) > attach the wire running to the high pressure switch, to the body...
• Re: of oil lights and pressure switches
  Historical mailing list - Charles McGehee
  Wed, 26 Sep 2001 07:58:53 -0700
  ...Check to make sure the switch is >normally closed (continutity through switch with no pressure) and opens up >with pressure. Does it light up...
• Re: 89 syncro westy air conditioning blockage
  Historical mailing list - kenneth d lewis
  Tue, 1 Aug 2000 17:03:46 EDT
  Mick; Usually the high pressure port has a high pressure safety cut-out switch screwed onto it. Drive Safely & Good Luck Ken Lewis <Kernersville...
• Re: Oil pressure switch question
  Historical mailing list - Michael Modl
  Wed, 1 Jul 1998 02:43:06 EDT
  ...to see the .9 switch OPEN at 2000 RPM or higher, ( the .9 bar switch closes from oil pressure between .8 to 1.0...
• Re: Oil Light
  Historical mailing list - Dennis Haynes
  Tue, 8 Aug 2006 13:25:08 -0400
  ...When it > > is closed, the oil pressure warning light will flash. > > The higher pressure switch, (.9 bar), is located directly off > the oil > > pump...
• Re: Cold start oil pressure
  Historical mailing list - OlRivrRat
  Thu, 13 May 2021 00:08:34 -0600
  ...COM> wrote: > > and switching to synthetic could result in a lower reading, Should have No Bearing on Cold Oil Pressure Readings ~ But Depending on...
• Re: Oil Light Question
  Historical mailing list - James Benthall
  Thu, 24 Mar 2005 08:51:33 EST
  Jere, Could be you just need to replace your switch. My oil pressure light kept coming on (along w/ a very loud audible alarm...
• Re: Replacing pressure A/C Pressure switch w/o losing Freon
  Historical mailing list - Michael Sullivan
  Tue, 10 Aug 2010 08:52:45 -0500
  ...Replacing pressure A/C Pressure switch w/o losing Freon > > > > > Can I take the pressure switch off the high pressure line in the DS...
• Re: wasserboxer oil buzzer warning = Fram
  Historical mailing list
  Fri, 2 Feb 1996 00:06:24 -0500
  ...This is a normally closed switch, held open by good oil pressure. The control circuit ignores this switch below 2000 rpm. The other switch...
• Re: Oil Pressure Light
  Historical mailing list - Dennis Haynes
  Wed, 26 Dec 2001 14:25:41 -0500
  ...Blinking is possible if the pressure is close to the switch point and changing. Engine oil pressure is always highest when the engine is...
• Re: air conditioner
  Historical mailing list - Dennis Haynes
  Thu, 18 Sep 2008 22:07:56 -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: Converting to R134
  Historical mailing list - Jeffrey Schwaia
  Thu, 5 Jun 2003 12:16:47 -0700
  ...The '86+ vans A/C refrigerant high pressure switch will switch the radiator fan to a higher speed when the high side pressure goes...
• Re: TIICO oil pump / Logical Circle Jerk of the Day
  Historical mailing list - Mark Drillock
  Mon, 5 May 2003 12:57:54 -0700
  ...but someone pointed out that >> the VW >> oil pressure switch can not sense over-pressure. For some reason I >> recall >> seeing somewhere that it...
• 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: How hot is HOT?
  Historical mailing list - Don Gibbons
  Mon, 3 Aug 1998 22:22:37 -0400
  I think that the super high speed is also triggered by a pressure switch in the AC system to prevent it from exploding.
• 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 - John Lauterbach
  Sun, 28 May 2017 12:48:36 -0400
  ...John On Sun, May 28, 2017 at 11:21 AM, David Beierl wrote: > IIRC the high-pressure sender on the 2.1l has a...
• FW: 2.1L WBX high pressure oil switch - removal
  Historical mailing list - Robert Clemmer
  Sun, 6 Dec 2015 17:51:34 -0500
  ...2.1L WBX high pressure oil switch - removal I'm still struggling with this. Coolant pump pulley has been removed. Deep well socket to...
• Re: oil light question
  Historical mailing list - Dennis Haynes
  Wed, 1 Jan 2014 13:04:50 -0500
  If the higher pressure switch wire is grounded then the buzzer is disabled. The lower pressure switch should .3 bar, (14.1 psi/bar...
• Re: Oil Pressure Switch
  Historical mailing list - Dennis Haynes
  Sun, 24 Aug 2008 22:15:13 -0400
  ...When I pulled the high pressure switch, I also removed the > bushing > to the block. I cleaned both and reinstalled bushing(old w/copper...
• Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
  Historical mailing list - Chris S.
  Sun, 2 Mar 2014 07:30:09 -0500
  ...On the > Waterboxer the high pressure switch is ~12.6 psi. On the inline engines the > high pressure switch is ~ 25 psi. Having only...
• Re: Anyone know thread size of coolant bleeder bolt on radiator?
  Historical mailing list - TinkerMan
  Fri, 16 Aug 2002 03:05:29 -0700
  ...My switch will be > connected to a red warning > indicator in the cluster. You only need to know when > the cooling system > pressure is...
• Re: Update and question inline VW Van block swap (in progress)
  Historical mailing list - neil n
  Sat, 18 Sep 2010 13:07:15 -0700
  ...Sounds like you have the high and low pressure switch on your ABA/1.8 head combo. On the 2 switch system, the switch...
• Re: 2.1L WBX high pressure oil switch - removal
  Historical mailing list - Jeff Schwaia
  Tue, 8 Dec 2015 11:30:47 -0800
  ...2.1L WBX high pressure oil switch - removal For $43.50 I'll make the tool. https://store.snapon.com/Deep-mm-chrome-Socket...
• 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...
• of oil lights and pressure switches - SOLVED
  Historical mailing list - Charles McGehee
  Thu, 27 Sep 2001 17:54:08 -0700
  ...While trying to diagnose it I got an afternarket pressure switch from CarQuest. It introduced NEW symptoms, namely the light started going on at...
• Re: Oil pressure light and buzzer
  Historical mailing list - Dennis Haynes
  Mon, 23 May 2016 01:41:23 -0400
  ...Is the high pressure oil pressure switch, part number 068919081A, the culprit here? I checked the archives and it appeared that there may have...
• Re: Seeking Mark "Dr. Wires" Drillock
  Historical mailing list - mdrillock
  Tue, 19 Aug 2008 18:48:54 -0700
  ...5, power steering pressure switch to idle speedup circuit. > > Yellow wire, oil pressure switch, higher pressure switch of 2 > switches. > > > Mark > > > > Chris S wrote...
• Re: Radiator Aux Cooling Fan 84 vs. 90
  Historical mailing list - Jack Reynaert
  Sat, 22 Aug 2015 19:57:26 -0400
  ...If system (AC) high side pressure increases due to insufficient cooling a pressure switch operates a relay in the fuse box to increase the...
• Re: Newer instrument cluster in '84 van
  Historical mailing list - mark drillock
  Sun, 18 May 2014 14:35:11 -0700
  ...Without the tach signal the oil pressure board ignores the high rpm pressure switch and only uses the primary pressure switch. Mark David Beierl...
• Oil light and warning
  Historical mailing list - John Rodgers
  Wed, 18 Nov 2015 15:30:28 -0600
  ...The one thing I still am not sure about, was the recomendation to remove the wire from the high pressure switch by the water...
• Re: oil pressure warning system anomaly?
  Historical mailing list - Dennis Haynes
  Fri, 3 Dec 2010 09:41:43 -0500
  ...Of course the dynamic oil pressure warning circuit board is supposed the ignore the high pressure switch until the rpms reach 2000 or above...
• Re: Replacing pressure A/C Pressure switch w/o losing Freon
  Historical mailing list - Ry
  Tue, 10 Aug 2010 09:24:29 -0500
  ...Replacing pressure A/C Pressure switch w/o losing Freon > > > > > > > > > > Can I take the pressure switch off the high pressure line in the DS...
• Re: what causes low oil pressure
  Historical mailing list - Daniel L. Katz
  Fri, 9 Jan 2004 03:34:35 -0500
  ...it >seems to me that the oil pump is spinning faster at high engine speed >and could more easily maintain output pressure at a...
• Re: Stumble/stall/high idle '91 carat
  Historical mailing list - Ken Wilford
  Sat, 24 Sep 2005 20:34:14 -0400
  You could try testing your fuel pressure. It could be that your pressure regulator has gone bad and your pressure is too high. Also...
• Re: Oil Pressure Light on-need help! (dealer cant fix it)
  Historical mailing list - Dennis Haynes
  Sat, 5 Apr 2008 12:51:43 -0400
  ...The light and buzzer sounding over 2,000 rpm or so is due to the higher pressure switch not satisfying or completing the circuit...
• Re: question regarding front heater switch and knob, 1990 Vanagon GL
  Historical mailing list - David Beierl
  Mon, 28 Dec 2009 14:27:17 -0500
  ...Where do you recommend I buy a switch from? That's because the switch body is thermoplastic; it softened and the contact pressure drove...
• Re: Oil pressure light and buzzer
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 20 Aug 2012 12:37:52 -0700
  ...just ground the wire that goes to the high pressure/high rpm OP switch by the crank pulley ( for testing only of course ) That...
• Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
  Historical mailing list - Dennis Haynes
  Sat, 1 Mar 2014 22:55:15 -0500
  ...On the Waterboxer the high pressure switch is ~12.6 psi. On the inline engines the high pressure switch is ~ 25 psi. Having only...
• Re: Oil pressure switch color
  Historical mailing list - David
  Thu, 14 Jul 2016 10:35:54 -0400
  Per Bentley- .3 on low side between pushrod tubes and .9 on high near oil pump.... My blue one is a .3.... Dave On...
• Re: Oil pressure light and buzzer
  Historical mailing list - Neil N
  Sat, 29 Jul 2017 23:20:52 -0700
  ...Vanagon with the Dynamic Oil Pressure system, corrosion in the brown wire from the high pressure oil pressure switch and/or corrosion at contacts...
• emergency radiator fan manual switch and other
  Historical mailing list - gary hradek
  Sat, 11 May 2002 15:56:35 -0700
  ...What are the symptoms when the high pressure side goes too high? thanks, gary __________________________________________________ Do You Yahoo!? LAUNCH - Your Yahoo! Music Experience http://launch...
• =?UTF-8?Q?RE:_86.5_Westy_2.1_=E2=80=94_2_problems.?= =?UTF-8?Q?_No_High_Startup_Idle___=E2=80=94__Const?= =?UTF-8?Q?ant_ON_Oil_Light?=
  Historical mailing list - Dennis Haynes
  Tue, 10 May 2016 20:26:55 -0400
  ...After that is done you may need to deal with the higher pressure switch which will flash the light and sound the buzzer above...
• Re: Oil Light / Buzzer despite NORMAL pressure
  Historical mailing list - Dennis Haynes
  Wed, 21 May 2003 23:02:43 -0400
  ...The higher speed-pressure system consists of .9 bar switch, located close to the oil pump discharge. It is before the oil filter and...
• Re: OIL warning light up
  Historical mailing list - Dennis Haynes
  Wed, 23 Jul 2008 10:11:58 -0400
  ...The low pressure switch closes or completes the circuit to ground to indicate loss of pressure. The high pressure switch closes to indicate the...
• Re: Oil press. warning buzzer
  Historical mailing list - Budd Premack
  Thu, 16 Oct 1997 13:25:46 -0500
  ...There are actually two separate oil pressure warning sensors (switches). VW figured that there should be more pressure at higher rpms, so they divided...
• 2.1L WBX high pressure oil switch - removal
  Historical mailing list - John Rodgers
  Sun, 6 Dec 2015 16:03:55 -0600
  ...Deep well socket to long, wom't fit in the space availabe; standard socket to short , the blade/male connector of the switch is...
• Re: 86 vanagon Oil Pressure Switch
  Historical mailing list - clerkin
  Thu, 12 Jul 2001 21:36:38 -0500
  ...What happens is that the high pressure switch no longer grounds at low rpm's when it is warmed up because of the lower...
• Re: Radiator Aux Cooling Fan 84 vs. 90
  Historical mailing list - Dennis Haynes
  Sat, 22 Aug 2015 16:30:51 -0400
  ...If system (AC) high side pressure increases due to insufficient cooling a pressure switch operates a relay in the fuse box to increase the...
• Re: Oil Filter Pressure
  Historical mailing list - jimt
  Thu, 24 Mar 2005 10:10:46 -0700
  ...The high pressure oil pressure switch is on the outlet from the oil filter. If the filter becomes clogged up it will not be...
• Re: Need a/c hose for 87 Westy Gl
  Historical mailing list - PAT
  Sun, 12 Jul 1998 00:08:59 -0400
  ...I just figured > any responsible auto manufacturer would put a high pressure switch on an AC > system. > Sure, in production runs as high as...
• Re: A/C not blowing cold
  Historical mailing list - Kim Brennan
  Thu, 24 Jul 2003 00:27:30 -0400
  ...Great fun (read that as anxiety) watching the pressure go (apparently) too high (50psi in my case) on the low side, before the switch...
• UPDATE Re: Oil Pressure System Confusion...
  Historical mailing list - Ryan
  Sun, 1 Jul 2007 15:33:17 -0400
  ...Oil Pressure System Confusion... > > >> Once the high pressure warning is activated, it remains on until the >> system see the high pressure switch satisfied or...
• Re: Replacing pressure A/C Pressure switch w/o losing Freon
  Historical mailing list - Ed
  Tue, 10 Aug 2010 14:04:31 -0400
  ...This >trinary switch is on the high pressure line, so just inscrew it and screw >the new one back in, right? Thanks, Mark >Michael...
• RE: A/C electrical shutoff by pressure...??
  Historical mailing list - Tom Brunson
  Wed, 2 Jul 97 02:43:32 UT
  ...The high pressure switch jumps the radiator fan to mid-speed if the freon pressure gets too high. This doesn't sound like your...
• Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
  Historical mailing list - Dennis Haynes
  Sun, 2 Mar 2014 09:54:48 -0500
  ...On the > Waterboxer the high pressure switch is ~12.6 psi. On the inline engines the > high pressure switch is ~ 25 psi. Having only...