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Page 6+: 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: oil light
Historical mailing list
Wed, 01 Nov 1995 23:58:19 -0600
...The oil pressure sender >is really quite amazing on the Vanagon. It consist of two pressure switches >that must respond in the correct sequence...
Re: Vanagon AC
Historical mailing list
Tue, 13 Aug 1996 01:55:39 -0400
...there is a pressure switch wired in series with the comp. If the freon level drops too low the switch cuts out the compressor...
Re: Brake light sensitivity
Historical mailing list - Patrick Harris
Sun, 4 Nov 2001 09:14:50 -0800
...I just replaced the switch. I came to the conclusion that either the pressure switch had worn or crud got lodged in somehow and...
Re: fan switch or sensor, a busdepot question
Historical mailing list - mark drillock
Wed, 1 Oct 2003 07:57:40 -0700
...I put the lowest temp switch I could find in one of my Syncros this summer but took it out when the fan started...
Re: Oil Pressure Light on-need help! (dealer cant fix it)
Historical mailing list - Dennis Haynes
Sat, 5 Apr 2008 12:51:43 -0400
...Usual buzzer causes are low oil pressure, Intermittent symptoms) faulty pressure switch or wiring connection problem. The electrical part is easy to diagnose if...
Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
Historical mailing list - Dennis Haynes
Sat, 1 Mar 2014 22:55:15 -0500
I think some are missing the main point of the dual oil pressure warning system. The low pressure switch is activated at around 3...
radiator fan speeds vs AC
Historical mailing list - Richard A Jones
Tue, 16 Jul 2013 11:17:44 -0600
...fan runs at low speed, unless AC high pressure switch closes and then it runs at middle speed. This via the 2nd stage relay...
AC diagram wrong in Bentley Danger!
Historical mailing list - Larry Alofs
Wed, 25 Jul 2001 15:48:04 -0500
...The one labeled 11 going directly to the compressor is actually the low pressure hose. The hose labeled 10, between the pressure switches and...
Re: R 134 charging
Historical mailing list - Robert Cardo
Fri, 8 Apr 2005 10:10:16 -0500
...Ken, Yes, you are correct on getiing the initial charge into the system to over ride the low pressure switch to get the compressor...
Re: Oil Filter & Oil Pressure - 1982 A-C M/T Vanagon/Westfalia
Historical mailing list - Dennis Haynes
Mon, 28 Sep 2009 23:29:38 -0400
...If light turns on while engine is running you either have low oil pressure, bad switch, disconnected/shorted wire. I say disconnected as the...
got my van inspected and it passed
Historical mailing list - Karl Ploessl
Fri, 5 May 2006 11:26:23 -0400
...low: 1010 (500); high: 2384 (2200) (my mechanic did an oilchange/~filter, tune-up (new points, spark plugs and a new oil pressure switch...
Re: Help! - was Failed Crankshaft seal - now low oil pressure / Maybe Not
Historical mailing list - David Shepherdson
Mon, 31 Oct 2005 07:29:18 -0800
...3/ If the oil pressure is kosher, go to the hassle of changing out the dynamic oil pressure switch. You'll need either a...
Re: what causes low oil pressure
Historical mailing list - Larry Alofs
Thu, 8 Jan 2004 19:05:37 -0600
...In the later models, there are two systems that can make the light come on, the low pressure switch on the bottom between the...
Re: Oil pressure light and buzzer
Historical mailing list - Dennis Haynes
Sun, 30 Jul 2017 15:39:34 +0000
...As for the oil pressure buzzer, it is activated by a higher pressure switch, normally open contacts, closed with oil pressure above ~13 psi...
Re: '87 low RPM/idle problems.
Historical mailing list
Thu, 6 Feb 1997 12:33:25 -0800
...If your throttle switch does not click (take the engine lid off so you can hear it) as soon as you apply ANY pressure...
Re: New instrument cluster in '84 Vanagon
Historical mailing list - John Bange
Wed, 14 Dec 2005 15:45:33 -0800
...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: Brake light sensor switch adj.
Historical mailing list - Zoltan
Tue, 10 Apr 2007 16:24:34 -0700
I think, this is working on oil pressure and you will only get the switch switching when the pressure is great enough. That means...
Re: Purpose of the ports on this AC hose?
Historical mailing list - Dennis Haynes
Tue, 24 Jul 2012 17:47:10 -0400
...A low pressure switch to make sure there is some refrigerant in the system to allow the compressor to run. A pressure switch to...
Re: The buzzer goes, oil sensor wires fixed ...
Historical mailing list - Dennis Haynes
Sun, 18 Jan 2015 09:23:07 -0500
...The switches are reversed logic. The low pressure is normally closed, opening with sufficient pressure. The higher pressure switch is normally open, closing and...
Re: 86 vanagon Oil Pressure Switch
Historical mailing list - clerkin
Mon, 9 Jul 2001 20:36:10 -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...
No Start Belgium Vanagon
Historical mailing list - Mark Keller
Thu, 18 Jan 2001 10:06:11 -0700
...The raw fuel could be low fuel system pressure, or faulty long fuel pulse. Verify system pressure first. I feel that it is imperitive...
Dimensions for A/C hoses
Historical mailing list - Raimund Feussner
Wed, 26 Oct 2016 10:26:09 +0200
...I would prefer the later style hoses, with the trinary pressure switch instead the separate hi/low switches. I like to check the A...
Re: drive from Oklahoma to Spokane, WA
Historical mailing list - Dennis Haynes
Sun, 5 Oct 2014 15:18:01 -0400
...Common and middle is low speed, both ends are high speed. For testing speed 2 you need to get to the high pressure switch...
Re: Master Cylinder Reservoir Cap Vent: @ Electrical Connection?
Historical mailing list - Old Volks Home
Fri, 14 Sep 2012 16:17:55 -0700
...fluid switch, turn on dash brake warning light when low > > This difference combines with some other wiring differences. > > 80-84 brake pressure switches have...
Re: I guess if I'm putting on a tencentlife oil cooler . . .
Historical mailing list - Rocket J Squirrel
Sun, 10 Apr 2011 08:48:43 -0700
...the oil light which blinks when pressure is sensed low. > > The logic board ignores the high pressure switch unless rpms are above > 2000 or...
Re: oil light question
Historical mailing list - Steve Cotsford
Wed, 1 Jan 2014 11:30:59 -0500
...A clogged oil filter can also cause the low pressure light while the high pressure buzzer may not come on as that switch is...
Re: Wiring Challenge -- Bentley page 97.68 -- Wire H6 (Rad. Cool Fan Thermoswitch)
Historical mailing list - Keith Hughes
Tue, 30 Jul 2019 21:30:24 +0000
...My late August '86 has/had the same dealer installed system, yet had the high pressure switch installed. The switch kicked in the HIGH...
Re: 86 vanagon Oil Pressure Switch
Historical mailing list - Karl Wolz
Mon, 9 Jul 2001 16:52:50 -0700
...The gauge sending unit screws into the low pressure outlet (.3bar). The 1.8/.9 bar switch screws into the high pressure outlet, which...
Re: D.I.Y. R-134 Kit AC Recharge advice
Historical mailing list - jhlauterbach
Sun, 3 Sep 2000 21:53:55 -0400
On the earlier Vanagons, A/C was dealer installed and no high/low pressure safety switches were included. On my '84 I watch outlet...
Re: soften my ride
Historical mailing list - Todd Last
Wed, 4 Apr 2007 16:47:11 +0000
...Lower the pressure for a softer ride. Although remember that as you lower the air pressure, you also lower the load capasity of the...
2.1L Oil pressure switch R&R
Historical mailing list - Chris S
Fri, 20 Dec 2002 17:17:09 +0000
I shall attempt to replace the oil pressure sender, the one located near the lower engine pulley, on an '89 Westy. Any tricks or...
Re: Help me diagnose and fix no brake lights
Historical mailing list - SDF ( aka ;jim lahey' - Scott )
Fri, 9 Oct 2015 12:25:06 -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: Replacing pressure A/C Pressure switch w/o losing Freon
Historical mailing list - Michael Sullivan
Tue, 10 Aug 2010 19:42:19 -0500
...Replacing pressure A/C Pressure switch w/o losing Freon > > Bad news...no cool air. Drove about 5 miles. When I got home the...
Re: 86 vanagon Oil Pressure Switch
Historical mailing list - Leon Korkin
Mon, 9 Jul 2001 21:26:51 -0700
...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 Vanagon Blinking Temp Light?
Historical mailing list - George Goff
Mon, 29 Mar 2004 06:18:17 EST
...The coolant level switch in the pressure tank could be giving a false indication of low coolant level. The switch can leak within its...
On The Road Again w/Oil Pressure Light Working
Historical mailing list - John Rodgers
Tue, 8 Feb 2000 08:01:20 -0600
...The last check said repair/replace switch. Did that, no more problems. The low pressure switch is normally closed, completing the circut to the...
Re: oil light question
Historical mailing list - Karl Wolz
Wed, 1 Jan 2014 09:38:33 -0700
...A clogged oil filter can |also cause the low pressure light while the high pressure |buzzer may not come on as that switch is...
Re: 2.1L WBX -oil pressure light flickers at idle
Historical mailing list - Jim Felder
Sat, 28 Feb 2015 16:30:43 -0600
...It might, or it might not, flicker at the next stop. >>> >>> I have never had a low oil pressure indication before. But the engine...
Re: .5 Bar ? VDO oil pres Sender okay?
Historical mailing list - kenneth d lewis
Fri, 22 Oct 1999 06:17:41 EDT
...You have two oil pressure sensing switches. The low pressure switch (4.4) must open between 2.2 and 6.5 psi. It is...
Low Oil Pressure vs. Cooling System Efficiency (Long)
Historical mailing list - Mark Smith
Fri, 28 Sep 2001 15:18:16 EDT
...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: 2.1L Oil pressure switch R&R
Historical mailing list - George Goff
Mon, 23 Dec 2002 18:45:12 EST
...wrote: >> I shall attempt to replace the oil pressure sender, the one located near the >> lower engine pulley, on an '89 Westy. >> >> Any tricks...
Re: Oil light and warning
Historical mailing list - Dennis Haynes
Wed, 18 Nov 2015 23:54:24 -0500
...Waiting for the pressure to drop so low at speed to wait for the lower switch to turn on the light is usually too...
Re: 86 vanagon Oil Pressure Switch
Historical mailing list - Karl Wolz
Mon, 9 Jul 2001 23:26:31 -0700
...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: issues with oi; alarm and temp light
Historical mailing list - Rob
Fri, 13 Mar 2009 10:19:23 -0700
...I don't recall if >it's like "Low pressure switch not on and RPM under 2500", or what. > >Tom Salicos >'87 Syncro Westy...
Re: flashing LED
Historical mailing list - Scott Daniel - Turbovans
Wed, 9 Sep 2009 12:48:44 -0700
...if it does not, either the switch is bad, or the oil pressure is indeed low at high rpm. It's also really only...
Help with A/C High/Low pressure sensor requested
Historical mailing list - Joel Cort
Wed, 16 Jul 2003 13:11:30 -0700
...This would mimic the low-pressure sensor switch. When the pressure is too low, it starts the pump up with the correct ambient temperature...
Re: Converting to R134
Historical mailing list - TJ Hannink
Thu, 5 Jun 2003 12:02:16 -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: 86 vanagon Oil Pressure Switch
Historical mailing list - Leon Korkin
Tue, 10 Jul 2001 00:19:29 -0700
...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: Oil Pressure Gauge Kit
Historical mailing list - Stuart MacMillan
Wed, 7 Mar 2018 09:13:48 -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...
Re: Oil Pressure Light went On...Abort Trip?
Historical mailing list - Ken Lewis
Sat, 21 May 2005 17:26:16 -0400
...You have two oil pressure sensing switches.The low pressure switch (4.4) must open between 2.2 and 6.5 psi. It is...
Westy Oil Light and Buzzer Fixed
Historical mailing list - Kirk van Druten
Mon, 22 Feb 1999 17:38:18 +0000
...different switches, all with different colors to indicate their pressure specs. I used a gray switch which was rated a bit lower than the...
Re: oil pressure
Historical mailing list - Thomas Pfrommer
Mon, 7 May 2007 10:52:24 -0700
...I believe that there is certainly a low oil pressure >> problem, as at 2600 or 2800 the pressure is not supposed to be around...
Re: High Pressure Oil Switch Wire; Tethered to Switch. OEM? PIC
Historical mailing list - neil n
Fri, 11 May 2012 23:34:31 -0700
...Ignoring the fact that the wire obviously connects electrically to this high pressure switch, did the VW factory (Hanover or wherever) attach the wire...
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: 86 vanagon Oil Pressure Switch
Historical mailing list - clerkin
Thu, 12 Jul 2001 14:28:53 -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: Bentley A/C diagram error
Historical mailing list - Larry Alofs
Fri, 30 Apr 2004 21:35:17 -0500
...The one labeled 11 going directly to the compressor is actually the low pressure hose. The hose labeled 10, between the pressure switches and...
Re: 86 vanagon Oil Pressure Switch
Historical mailing list - Jay L Snyder
Tue, 10 Jul 2001 08:17:37 -0400
...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: Need help
Historical mailing list - Jere Hawn
Mon, 9 May 2005 08:38:29 -0700
...This could cause a low enough pressure at the lower pressure sense switch to cause a buzzer alarm with thick oil. Jimt
Re: Fans again
Historical mailing list - George Thorburn
Mon, 22 Jul 2002 23:07:56 -0600
...I think there is a pressure switch in the A/C system that turns on the high speed fan when the coolant reaches a...
Re: Help! - was Failed Crankshaft seal - now low oil pressure / Maybe Not
Historical mailing list - George Goff
Mon, 31 Oct 2005 00:59:02 EST
...3/ If the oil pressure is kosher, go to the hassle of changing out the dynamic oil pressure switch. You'll need either a...