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Page 5+: 60 results shown for Coolant temperature switch.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

• Re: Cooling system questions for 1.9L
  Historical mailing list - Tim Demarest
  Wed, 14 Sep 2005 10:34:57 -0400
  ...The factory temperature guage is not a reliable indicator of >dangerously high coolant temperature - anything past half way actually >indicates an over temp condition...
• Re: Redline Water Wetter + No-Rosion
  Historical mailing list - Dennis Haynes
  Tue, 9 Jul 2013 00:49:52 -0400
  ...If you must do this go to lower temp thermostat and fan switches. Keep in mind that straight water will boil at lower temperatures...
• Re: Coolant Hoses, Complete Set -- Remove and Replace
  Historical mailing list - David McNeely
  Sat, 27 Jun 2020 12:10:59 -0700
  ...temperature scanner reads > > >> > 225F on the return pipe to the water pump > > >> > > > >> > At idle, the coolant fan comes on and controls the temperature at...
• Engine temperature non-problem
  Historical mailing list - Maher, Steve (SD-MS)
  Wed, 20 Mar 1996 12:43:00 -0800 (PST)
  ...With this temperature switch, it's supposed to come on when the coolant temperature gets to around 210 degrees., then shut off when the...
• Re: Best Practices for Engine Rebuild Break In Process
  Historical mailing list - David Milo
  Tue, 5 May 2009 20:50:02 -0400
  ...If you notice your coolant temperature > is not coming up to normal it is cause for alarm�get it checked out. > 3) Use only...
• Re: Mystery fried wire-oil pressure switch!
  Historical mailing list - Dennis Haynes
  Thu, 31 Oct 2013 22:39:51 -0400
  ...This goes for the alternator light and coolant temperature light. During maintenance such as oil changes disconnect the coolant level probe and make sure...
• Re: Oil cooler questions.
  Historical mailing list - Mark McCulley
  Wed, 2 Nov 2022 09:44:03 -0700
  ...Ideally oil temperature should be close to coolant temperature. > > > > 3) On the Waterboxer, the oil cooler/heater is actually designed to both. It is...
• Re: Failed emissions for third time
  Historical mailing list - David M
  Fri, 19 Jul 2013 16:16:02 -0700
  ...out box') and it indicates the coolant temperature sensor, the throttle switch, the AFM and the air-temperature sensor are bad. He quoted me...
• Re: 83' Vanagon - Coolant Temp Sensor and O2 Sensor - Could TheseEffect Idle?
  Historical mailing list - Larry Alofs
  Sun, 1 Jul 2001 11:08:25 -0500
  ...switched the > injector with a good one and the effect was the same. The idle seems > to be "seeking". Could a faulty coolant temperature...
• Re: Manual on/off Switch for Radiator Fan /Radiator Questions
  Historical mailing list - Aristotle Sagan
  Tue, 16 Apr 2002 17:52:40 -0700
  ...There is the temperature switch for the radiator. Big wrench, have the new one ready to put in. Total open time of the radiator...
• Re: Naive question - flashing red light
  Historical mailing list - Dennis Haynes
  Tue, 1 Aug 2006 14:42:43 -0400
  ...hills, when the > temperature gauge red light began flashing. When we stopped, you > could hear the oil bubbling and gurgling. Coolant looked ok. > > Could...
• Re: Scott: common knowledge?
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 25 Jan 2013 18:40:07 -0800
  ...off switch, doesn't it open >>> just as much as needed to keep the coolant at the right temperature? If >>> the coolant coming back...
• Re: Idea for gauge placement
  Historical mailing list - Craig Morton
  Wed, 26 Sep 2007 17:37:50 -0700
  ...The coolant temperature and oil temperature are the same gauge with a a SPDT switch controlling the two readings. Craig Scott Daniel - Shazam <scottdaniel...
• Re: 87 Westy Engine Running Warm---At Wits End
  Historical mailing list - *****************
  Thu, 5 Jul 2007 21:23:02 -0500
  ...Hence, the temperature of the coolant must >be at least 185 deg and possibly close to 200 deg.) >12. I have properly bled the...
• Re: 87 Westy Engine Running Warm---At Wits End
  Historical mailing list - Kenneth Wilford
  Fri, 6 Jul 2007 00:24:11 +0000
  ...Hence, the temperature of the coolant must > be at least 185 deg and possibly close to 200 deg.) > 12. I have properly bled the...
• HELP Flashing red temp light!
  Historical mailing list - Ron Komoroski
  Sun, 22 Apr 2001 13:56:08 -0400
  ...thermo-switches for the front fans? ( The fan fuse is OK). Do I have to go to the VW dealer & buy coolant, or is...
• Re: Coolant warning light problem, REPLY
  Historical mailing list - Michael Modl
  Tue, 15 Sep 1998 01:03:24 EDT
  ...On the way back the engine coolant warning light began flashing after driving about 30 miles on the freeway. The temperature gauge needle was...
• Temperature gauge- Is this normal?
  Historical mailing list - Kris Estes
  Mon, 5 Jun 2000 08:58:34 MST
  Hello all, While driving my 88' Westy on a small trip this weekend (2 hours)near Sedona, Arizona (temperature in 90's), My temperature...
• Cooling System Nightmare. Sorry for the Old Thread
  Historical mailing list - Anthony Rutland
  Tue, 14 Nov 2006 17:25:42 -0500
  ...thermoswitch the coolant gauge reads typical halfway mark over LED? Before I go out and buy a lower temp thermostat and switch? Please help...
• Re: Vanagon jerking in stop and go traffic
  Historical mailing list - kenneth d lewis
  Sun, 21 Mar 1999 21:31:41 EST
  ...for resistance vs. temperature chart. Zero celsius should give 5.75K ohms as near as I can tell. The idle switch is an exact...
• Re: Radiator Aux Cooling Fan 84 vs. 90
  Historical mailing list - Dennis Haynes
  Sat, 22 Aug 2015 20:09:38 -0400
  ...The radiator fan switch senses the water temperature in the radiator closer the outlet than inlet. A higher temp thermostat will make less coolant...
• Testing Radiator Thermoswitch
  Historical mailing list - Douglas L Urner
  Tue, 15 Jul 2003 14:34:26 -0700
  ...Is there a way to test the switch without having to pull it -- and then replace coolant and bleed the system? How often should...
• Re: Audible Coolant alarm opinions
  Historical mailing list - OlRivrRat
  Fri, 2 Mar 2018 13:07:39 -0700
  ...Audible Coolant alarm opinions > > Hi Eric, > No, the alarm doesn�t warn you about temperature. Only coolant level. In my case, the alarm went...
• Re: Rad Fan isn't working properly
  Historical mailing list - eric unrau
  Thu, 8 Apr 2004 17:29:22 -0400
  ...motion - so the rad must be cooling enough coolant to keep the engine at normal temperature. If the thermostat was stuck would there be...
• Re: Coolant light mystery
  Historical mailing list - FRANK CONDELLI
  Mon, 19 Sep 2022 07:58:20 -0400
  ...Coolant Indicator LED is Flashing at Normal Temperatures >> Model(s): All Models >> =20 >> =20 >> =20 >> * refer to appropriate wiring diagram >> * disconnect coolant level sensor...
• Re: Manual on/off Switch for Radiator Fan /Radiator Questions
  Historical mailing list - Karl Wolz
  Tue, 16 Apr 2002 18:35:46 -0700
  ...There is the temperature > switch for the radiator. Big wrench, have the new one ready to put in. Total > open time of the radiator...
• Re: Oil Pressure Lamp? Denoument.
  Historical mailing list - Richard Koerner
  Thu, 10 May 2012 15:07:49 -0700
  ...Thursday, May 10, 2012, 2:45 PM Wet oil pressure switch? Yesterday we put new coolant into my 1.9. Using a "Libby Bong...
• Re: WAS Low Temp Radiator Thermo Switch "Better"?
  Historical mailing list - Dave Mcneely
  Thu, 24 May 2012 21:10:40 -0500
  ...Squirrel, the engine is built to run at the higher temperature. the fuel burns more completely, less to throw at the catalytic converter, more...
• Re: Water Cooler System Design Flaw Workaround?
  Historical mailing list - Tom Hargrave
  Sun, 25 Apr 2010 20:58:48 -0500
  ...engine coolant circuit comes on. And I can say that the aux fan works very well. I've been idling in 100F+ temperatures, watched...
• Re: Audible Idiot "Light"...EE Inventor Wanted
  Historical mailing list - Mike S
  Wed, 16 Dec 2009 20:43:53 -0500
  ...A small "box" of electronics, wired in >so as to detect any of the red LED's coming on (oil pressure, >alternator, coolant temperature...
• Re: Failed emissions for third time-Some helpful hints.
  Historical mailing list - Dennis Haynes
  Fri, 19 Jul 2013 20:19:26 -0400
  ...out box') and it indicates the coolant temperature sensor, the throttle switch, the AFM and the air-temperature sensor are bad. He quoted me...
• Re: Audible Coolant alarm opinions
  Historical mailing list - Michael Magnani
  Thu, 1 Mar 2018 20:48:18 -0800
  Hi Eric, No, the alarm doesn’t warn you about temperature. Only coolant level. In my case, the alarm went off because I was...
• Re: Naive question - flashing red light
  Historical mailing list - Tim Demarest
  Tue, 1 Aug 2006 16:12:02 -0400
  ...hills, when the temperature gauge > red light began flashing. When we stopped, you could hear the oil > bubbling and gurgling. Coolant looked ok. > > Could...
• Re: A/C--Fix it myself?
  Historical mailing list - Jim Felder
  Wed, 11 Apr 2012 19:56:38 -0500
  One thing everyone should know who contemplates switching over to R134: you will need some helping heat to get it all out of the...
• Re: Low Temp Radiator Thermo Switch "Better"?
  Historical mailing list - Dennis Haynes
  Sat, 26 May 2012 10:35:03 -0400
  ...Get fast acting digital gauge in there and you watch temperature change with throttle position and the thermostat-cooling system response to the heat...
• Re: '86 Westy coolant questions
  Historical mailing list - Dennis Haynes
  Thu, 5 Apr 2012 20:11:39 -0400
  ...If the hot coolant does not flow to and through the radiator the fan switch will not sense the coolant to turn on the...
• 91 Overheating: Comparison (long)
  Historical mailing list - Forhan, Thomas
  Thu, 11 Jun 1998 12:37:17 -0400
  ...His mechanic seems to be the part switching type, and on three visits has replaced the coolant, installed a new thermostat and put in...
• Re: Coolant light mystery
  Historical mailing list - Jim Felder
  Fri, 16 Sep 2022 14:39:21 -0500
  ...Coolant Indicator LED is Flashing at Normal Temperatures > Model(s): All Models > > > > * refer to appropriate wiring diagram > * disconnect coolant level sensor electrical connector > * check...
• Weird Coolant System Behavior
  Historical mailing list
  Fri, 11 Feb 2000 15:41:34 EST
  ...Ran the van up to temperature and let it idle. It went slowly up to around 3/4 of the gauge before the fan...
• Re: headlight switch
  Historical mailing list - Richard Koerner
  Sat, 1 Feb 2025 18:40:37 +0000
  ...switch to Fuel Pump Relay, Wiring to BBQ probe in back for my Hot Water Shower system so I can determine water temperature as...
• Re: Scott: common knowledge?
  Historical mailing list - Tom Hargrave
  Fri, 25 Jan 2013 20:58:06 -0600
  ...off switch, >> doesn't it open just as much as needed to keep the coolant at the >> right temperature? If the coolant coming back...
• Re: Radiator fan
  Historical mailing list - Dan N
  Sun, 6 Sep 2020 08:31:06 -0700
  ...Sometimes the fan will run for a few minutes after a shutdown > since the coolant getting cooled is not near the switch, which also...
• Re: flashing temp light
  Historical mailing list - John Rodgers
  Mon, 4 Sep 2000 20:51:11 -0500
  ...And although I have heard it serves as an overheat warning light for the coolant, it seems redundant, when you have a temperature gage...
• Re: 1.9 GL - Rad fan frequent running
  Historical mailing list - mark drillock
  Thu, 3 Jun 2010 08:10:04 -0700
  ...excessive outside > temperatures I still notice that the fan comes on quite often. Everytime I > drive it I get this. > > No coolant leaks - no...
• Re: Scott: common knowledge?
  Historical mailing list - James Felder
  Sat, 26 Jan 2013 08:36:10 -0600
  ...off switch, doesn't it open >>>> just as much as needed to keep the coolant at the right temperature? If >>>> the coolant coming back...
• Re: How hot is HOT?
  Historical mailing list - Dennis Haynes
  Tue, 4 Aug 1998 14:25:42 -0400
  ...engine within normal OPERATING temperature? (DOH!) > Similarly, for stage II, the RRRRRRRR speed has to cool the > circulating coolant down to 189F before cutting...
• Re: Temperature gauge- Is this normal?
  Historical mailing list - Bill Davidson
  Mon, 5 Jun 2000 09:09:16 -0700
  If I lived near Sedona Arizona and my temperature gauge didn't show any variation I would be concerned. Every vehicle I have ever...
• Re: fan switch or sensor
  Historical mailing list - Robert Steven Fish
  Sun, 28 Sep 2003 18:14:38 +0200
  ...The part you mention is a temp sensor and a switch. It has a temperature sensor in contact with the coolant at the front...
• temp-fan anomaly: 91 GL
  Historical mailing list - Patrick Larsen
  Mon, 20 Jul 1998 11:57:58 -0500
  ...at right temperature 3) Both gauge and switch are bad 4) Both are behaving normally, and I have air in the coolant loop? Questions...
• Re: Coolant Hoses, Complete Set -- Remove and Replace
  Historical mailing list - Edward Barger
  Sun, 28 Jun 2020 08:16:38 -0700
  ...If you have a problem controlling temperature the lower stat will only delay the inevitable. Having the coolant cool while the pistons and oil...
• Re: Help with coolant light flashing randomly - no leaks
  Historical mailing list - Michael Elliott
  Sat, 15 Sep 2007 17:26:47 -0700
  ...No leaks, proper mix of VW (correct) coolant and all > connections secure and clean. I can start/stop the van or simply switch on...
• Re: Intermittent low gauges
  Historical mailing list - Jeff Palmer
  Wed, 10 Aug 2016 12:16:22 -0500
  ...It just began showing lower than normal, > and incorrect readings, twice yesterday on startup, both the fuel gauge > and the coolant temperature gauge. Then...
• Re: Plastic Fantastic; Your coolant system's dissolving AKKK !!
  Historical mailing list - Mike Frost
  Mon, 20 Feb 2006 13:42:37 -0800
  ...he measured the temperature of the heads and suggested that they may have warped. I had him change out the coolant manifold and then...
• Re: Tempurature
  Historical mailing list - Ben huot
  Wed, 8 May 2002 13:16:04 -0400
  ...A partially clogged front radiator could react slowly and result in a slow temperature change as the coolant is having a hard time flowing...
• Re: First long trip in 82 diesel - coolant temp?
  Historical mailing list - STEPHANIE WOLZ
  Thu, 21 Mar 2002 13:04:45 -0700
  ...Is the light behind the > coolant temp gauge for coolant level or coolant temperature? Maybe I should > have the cooling system 'pressure tested' for...
• Re: Audible Coolant alarm opinions
  Historical mailing list - Gene P
  Thu, 1 Mar 2018 22:35:13 -0700
  ...Audible Coolant alarm opinions Hi Eric, No, the alarm doesn’t warn you about temperature. Only coolant level. In my case, the alarm went...
• Re: Radiator Fan Keeps coming on
  Historical mailing list - kenneth d lewis
  Thu, 22 Jun 2000 18:44:52 EDT
  ...The first thing that comes to mind is the radiator temperature switch but that is just a WAG. I would have it looked at...
• Tiico-After market water temp gauge/oil temp gauge question.......
  Historical mailing list - Phil S.
  Thu, 29 Aug 2002 11:03:19 -0700
  ...the coolest-(literally)opperating thermo switch/thermostat, as you know i might have created another problem....running oil temperatures. Someone said it is important...
• Re: HELP Flashing red temp light!
  Historical mailing list - Walt Spak
  Sun, 22 Apr 2001 15:38:24 -0400
  ...If the coolant level drops a little, the light comes on. It really has nothing to do with actual temperature. Typically, when the coolant...
• Marvel Mysterie Oil & Synthetics
  Historical mailing list - James T.
  Thu, 10 Jan 2002 18:10:28 +0000
  ...Fellow at VW shop told me he was USA rep on watercooled vanagone intro and was told to use VW coolant as other coolant...