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Page 4+: 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: what causes low oil pressure
Historical mailing list - Wesley Alden Pegden
Mon, 12 Jan 2004 10:12:31 -0600
...lower end can double that. You need to do some troubleshooting. Both > electrical and mechanical with oil pressure gauges. When replacing the > switches, make...
Re: A/C Problems
Historical mailing list - Terry Kay
Tue, 3 Apr 2001 19:18:37 -0500
Stephan, The low pressure switch, could be faulty, and not allowing the compressor to kick on. The key to this solution, was when the...
Fwd: Continuing saga of Oil Pressure light...
Historical mailing list - Ben S
Wed, 13 Jul 2005 22:28:40 -0700
...unless both switches failed at the same time or your oil pressure was really low enough to set off the low switch, too (in...
Re: Oil pressure alarm problems problems--this is a good one for any one up for a challenge.
Historical mailing list - Dennis Haynes
Tue, 19 Sep 2006 21:04:33 +0000
...the wrong switch in place. > The high pressure switch is located near the oil or water pump. > The low pressure switch is between the...
Re: Dash Noise - Buzzing
Historical mailing list - neil n
Wed, 30 Mar 2011 11:01:50 -0700
...It shows the switch open. The logic of that switch is opposite to the low pressure switch. Engine running, high pressure switch closes. If...
Re: AC pressure question
Historical mailing list - David Snyder
Sat, 11 Sep 1999 07:53:35 -0700
...Conditioner's low and high pressure lines? > >My high pressure side is presently running around 225 and the high pressure >switch, that drives the...
Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
Historical mailing list - Chris S.
Sun, 2 Mar 2014 07:30:09 -0500
Isn't the low pressure switch .3 bar? 1 bar = 14.5 psi? Chris. Wysłane z iPhone'a Dnia Mar 1, 2014 o godz...
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: VDO Oil Sender Setup
Historical mailing list - Chris S.
Wed, 16 May 2012 17:39:46 -0400
...low oil pressure switch port between >> pushrod tubes. A T-connector provides connections to the dual-pole sender >> and the factory .3 bar switch...
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
...Beierl wrote: > IIRC the high-pressure sender on the 2.1l has a blue body, whereas the > low-pressure one (the only one on...
Re: oil pressure woes
Historical mailing list - Bob Donalds
Mon, 3 Mar 2008 09:05:40 -0500
...low oil pressure after they install the VDO gauge. two things I have come to understand about the VDO gauge are. #1 the switch...
Re: Oil pressure light
Historical mailing list - Dennis Jowell
Mon, 10 Nov 2014 11:05:00 -0500
...It is the pressure switch by the waterpump pulley and oil pump cover. If that wire comes loose from the switch the oil pressure...
Re: oil light question
Historical mailing list - Steve Cotsford
Wed, 1 Jan 2014 12:47:18 -0500
...Yes i am not very knowledgeable about WBX engines. >> >> If it is a pressure switch (seems quite likely) it will be the >> low-pressure...
Re: Need help
Historical mailing list - jimt
Mon, 9 May 2005 09:00:48 -0600
...This could cause a low enough pressure at the lower pressure sense switch to cause a buzzer alarm with thick oil. Jimt
Re: 89 Wolfs/Newbie ?? Oil pressure prob
Historical mailing list - Johan Nyberg
Mon, 1 Dec 1997 20:40:13 +0100
...Bad oil pressure switch(es) - try replacing. >3. Actual low oil pressure - replace engine. We'll maybe something less >drastic, a rebuild. :-) That's...
Re: Problem: Oil pressure light/buzzer at over 2KRPM. Help!
Historical mailing list - David Marshall
Fri, 23 Feb 2007 08:50:12 -0800
...pressure switch or two (I think > maybe two). > > In trying to figure this out myself I discovered that guy who fixed the > low speed...
'91 Carat AC Inoperative.
Historical mailing list - John Rodgers
Wed, 26 Apr 2017 19:20:35 -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: Wiring Challenge -- Bentley page 97.68 -- Wire H6 (Rad. Cool Fan Thermoswitch)
Historical mailing list - vw_van_fan_Mark
Tue, 30 Jul 2019 16:14:26 -0700
...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: 2.1 waterboxer oil temp gauge?
Historical mailing list - Dennis Haynes
Tue, 28 Dec 2004 10:02:26 -0500
You got the .9 bar switch operation reversed. It is normally open and when the pressure reaches .9 bar, it closes completing the circuit...
Oil Pressure Safety Switch???????
Historical mailing list - Walter Evens
Fri, 15 Feb 2002 09:54:55 -0800
...with any kind of "safety" switch that won't allow the engine to start with low oil pressure? I have an "85 GL that...
Re: a/c fittings
Historical mailing list - KEITH HUGHES
Thu, 8 Jul 2010 15:37:45 -0700
...a service port, and the other was intended for a low pressure switch - the one intended to keep the compressor from running when there...
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: TIICO oil pump / Logical Circle Jerk of the Day
Historical mailing list - Jon Brown
Mon, 5 May 2003 13:14:15 -0400
...a split second of low-oil pressure is not going to harm your engines so stop panicking people... -Jon
Re: I guess if I'm putting on a tencentlife oil cooler . . .
Historical mailing list - mark drillock
Sun, 10 Apr 2011 08:56:12 -0700
The buzzer is only used for the high rpm pressure switch. The low pressure switch just triggers a blinking led. The high switch triggers...
Air conditioning BROKE
Historical mailing list - guymon
Thu, 5 Mar 1998 09:58:06 -0600
...I know there are switches that prevent the pump from engaging if the Freon is low on pressure (or to cold outside), but is...
oil pressure warning system anomaly?
Historical mailing list - mark drillock
Thu, 2 Dec 2010 23:11:22 -0800
...After unplugging the 2 pin connector to the oil switches, I used an ohm meter to determine that the low rpm switch was grounded...
Re: 2.1L WBX -oil pressure light flickers at idle
Historical mailing list - John Rodgers
Sat, 28 Feb 2015 13:44:54 -0600
...I have never had a low oil pressure indication before. But the engine was out of service while the oil cooler seal was replaced...
A/C Advice Needed -- Kind of Long
Historical mailing list - Keith Hughes
Wed, 5 Jun 2002 10:06:42 -0700
...IF the freon low pressure switch is made (i.e. sufficient charge in the system to prevent compressor damage) the compressor clutch engages. c...
Re: a/c cutout switch
Historical mailing list - SyncroHead
Fri, 17 Apr 1998 14:22:15 EDT
...a temp > attainable only at very high pressure. There are both high and low pressure switches located under the driver's side A/C...
Re: oil spray on startup when very cold
Historical mailing list - jimt
Tue, 25 Jan 2005 16:54:59 -0700
...So look that one over > as well. > > Bill H. > 88GL On any VW...that oil pressure switch is a weak point. (the low pressure...
Re: Purpose of the ports on this AC hose?
Historical mailing list - Kim Brennan
Tue, 24 Jul 2012 16:58:27 -0400
...on the lines going to the evaporator you have low pressure switch, high pressure switch and the high pressure connector (not all on the...
RE: A/C electrical shutoff by pressure...??
Historical mailing list - Tom Brunson
Wed, 2 Jul 97 02:43:32 UT
...The low pressure switch keeps the compressor from running if the freon is lost or if the ambient temperature is too low. Hmmm... that...
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
...Most of the late vans use a single switch with multiple function often known as a trinary switch. > > Trinary switch functions > Low pressure (lost...
Re: air conditioner
Historical mailing list - Keith Hughes
Thu, 18 Sep 2008 21:52:48 -0700
...air conditioner > > The AC will cut out on excessive head pressure or if the radiator fan > switch calls for the fast speed. The later...
Re: New instrument cluster in '84 Vanagon
Historical mailing list - mark drillock
Wed, 14 Dec 2005 12:34:09 -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: AC relay question
Historical mailing list - Keith Ovregaard
Wed, 27 Jan 2010 18:58:44 -0800
Good question, BenT There seems to be enough pressure in the system. I gave the test port valve on the low side a tap...
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...
Re: Help me diagnose and fix no brake lights
Historical mailing list - Jim Felder
Fri, 9 Oct 2015 21:40:11 +0000
...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: '85 A/C Hi/Lo Valves
Historical mailing list - Chris Stann
Thu, 24 May 2001 15:12:25 -0500
Jay, Double check my info, but I don't think my '85 has a pressure switch to turn compressor off in a low-pressure...
Re: D.I.Y. R-134 Kit AC Recharge advice
Historical mailing list - David Del Ben
Mon, 4 Sep 2000 13:40:26 +1100
...Low Pressure Switch should be on the suction (cold) side of the compressor pipework. Either right at the compressor suction (desireable) or in the...
Re: Oil pressure warnings, WAS: Mann Oil Filter and lifters
Historical mailing list - Dennis Haynes
Sun, 2 Mar 2014 09:54:48 -0500
...The low pressure switch is activated at around 3 psi. On the > Waterboxer the high pressure switch is ~12.6 psi. On the inline...
Re: OIL warning light up
Historical mailing list - Dennis Haynes
Wed, 23 Jul 2008 10:11:58 -0400
Also not that the switch logic is reversed. The low pressure switch closes or completes the circuit to ground to indicate loss of pressure...
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: Yeppers -- failed oil pressure switch alright.
Historical mailing list - Scott Daniel - Turbovans
Sun, 29 May 2011 12:33:07 -0700
...a newer or better OP switch. ( though it is common that eventually ....1.9 waterboxers get low oil pressure at a hot idle ) . I...
Re: Oil light problem... can you help?
Historical mailing list - Douglas L. Urner
Mon, 14 Jul 2003 18:36:58 -0700
...oil pressure was about 8, which was seriously low. He felt >that the oil pump was good. He replaced the oil switch and felt...
Re: oil light question
Historical mailing list - Steve Cotsford
Wed, 1 Jan 2014 12:04:36 -0500
...Yes i am not very knowledgeable about WBX engines. > > If it is a pressure switch (seems quite likely) it will be the > low-pressure...
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...
Re: Air Conditioner woes
Historical mailing list - Stan Wilder
Sun, 9 May 2004 10:34:26 -0500
...If your freon pressure is low this switch will not let the compressor run because it's the freon that carries your lubricant. You...
oil light/buzzer comes on for no reason
Historical mailing list - Greg Stelz
Fri, 2 Jan 2004 12:53:24 -0800
...The factory high pressure oil switch is totally disconnected and the wire is grounded. The low pressure switch is now part of the new...
Re: Dash Oil Light
Historical mailing list - Scott Daniel - Turbovans
Wed, 16 Jan 2013 11:43:26 -0800
...If your low pressure/low rpm oil pressure switch is not making contact ( key on, engine off ) that might produce make no flashing oil...
Re: 86 vanagon Oil Pressure Switch
Historical mailing list - Kenneth D Lewis
Fri, 13 Jul 2001 07:28:27 -0400
Patrick; You have two oil pressure sensing switches. The low pressure switch (4.4) must _OPEN_ between 2.2 and 6.5 psi. It...
Re: Oil Buzzer advice
Historical mailing list - SDF ( aka ;jim lahey' - Scott )
Thu, 1 Oct 2015 18:26:35 -1000
...VanCafe has > modified their kit to include a separate pressure switch that you hook > up to your oil led and the switch part of...
Re: Oil Pressure light & buzzer, Yikes! Mystery # 1
Historical mailing list - John Rodgers
Sun, 11 Feb 2001 22:29:18 -0600
Rob, The oil system high pressure switch is located at the bottom of the crankcase on the lower left side of the rear of...
Re: New instrument cluster in '84 Vanagon
Historical mailing list - Al and Sue Brase
Wed, 14 Dec 2005 15:04:41 -0600
...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 light
Historical mailing list - Dennis Jowell
Mon, 10 Nov 2014 10:43:56 -0500
...It is the pressure switch by the waterpump pulley and oil pump cover. If that wire comes loose from the switch the oil pressure...
Re: Still doesn't add up, was: Re: [Syncro] Oil pressure mystery, resolved???
Historical mailing list - Jay L Snyder
Tue, 1 Oct 2002 13:48:52 -0400
...Grounded the wire to the higher pressure switch. This makes the Dynamic Oil Pressure Gremlin happy. Red light for low pressure switch (works just...
Re: Oil pressure light comes on after about 7 minutes.
Historical mailing list - David Beierl
Sun, 12 Dec 2010 22:15:47 -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: High Pressure Oil Switch Wire; Tethered to Switch. OEM? PIC
Historical mailing list - Scott Daniel - Turbovans
Fri, 11 May 2012 19:03:40 -0700
...what is the question though ? the 'normal' low rpm OP switch is between the push rod tubes, on the left side, under the push...
Re: Still doesn't add up, was: Re: [Syncro] Oil pressure mystery, resolved???
Historical mailing list - David Beierl
Tue, 1 Oct 2002 10:44:51 -0400
At 10:14 AM 10/1/2002, Ben McCafferty wrote: >OK, Bentley says the low pressure switch (between cyl 3 and 4) is .3...
1988 Westy low Oil pressure
Historical mailing list - Banks
Sun, 28 Jul 1996 13:52:42 -0400 (EDT)
...He brought his van in to a shop and had a gauge hooked up and indeed he has low oil pressure, so the switches...