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Page 3+: 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: AC/ Radiator Fan Switch Question
  Historical mailing list - kenneth d lewis
  Sun, 12 Jul 1998 21:10:41 EDT
  ...AC system is switched >on. >It apparently is coming on when the coolant temp switch senses the >higher >water temperature. Am I missing something...
• RE: Heat handling design error help
  Historical mailing list - Mark McCulley
  Fri, 7 Jun 1996 09:39:30 -0700
  ...Install a new radiator fan switch with lower turn-on temperatures. Listmember Dennis Haynes can supply these for $30 or so if you can...
• Re: Weird coolant leak question
  Historical mailing list - Richard O'Halloran
  Sun, 1 Nov 1998 22:36:47 -0800
  ...Then I unclamped the lower hose, switched the lever to turn on the heater core and started the engine. Air came out, then coolant...
• Re: Cooling System Nightmare. Sorry for the Old Thread
  Historical mailing list - Bill MacLachlan
  Tue, 14 Nov 2006 15:09:49 -0800
  ...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: Engine Starting Problem
  Historical mailing list - Steven Shelton
  Mon, 24 Feb 2014 09:55:23 -0500
  ...II Sensor, Temperature Sensor for Fuel Injection (GoWesty), Coolant Temp Sensor (Van Again), Engine Coolant Temperature Sensor (Bus Depot), Water Temperature Sensor (Van-Again...
• Re: Temperature guage
  Historical mailing list - Timothy Hannink
  Sun, 8 Apr 2001 19:18:52 -0400
  ...I changed out the radiator fan switch with the lower temperature rated one, but that had no effect on where the gauge sits or...
• Re: Temperature guage
  Historical mailing list - Timothy Hannink
  Sun, 8 Apr 2001 19:18:20 -0400
  ...I changed out the radiator fan switch with the lower temperature rated one, but that had no effect on where the gauge sits or...
• Re: 1987 Syncro Cooling Issue
  Historical mailing list - Mister Tom
  Sat, 3 May 2014 12:08:41 -0700
  ...speed fan > > didn’t come on, temperature would rise until the high speed fan switch > tripped. > > > > The temperature is not rising when the high...
• Warm Starting
  Historical mailing list - Michael A. Radtke
  Mon, 29 Oct 2001 15:24:34 -0700
  ...I have checked the coolant temperature sensor and the air temperature sensor at the computer wiring harness, and both are in spec at 20...
• Re: Tempurature
  Historical mailing list - Ben huot
  Wed, 8 May 2002 14:51:48 -0400
  ...I have a new front radiator and a new thermo switch! (+ most cooling parts where change). My van temperature is like before I do...
• Re: problems starting while warm
  Historical mailing list - Jack R.
  Sat, 2 Jun 2007 22:27:52 -0400
  ...I now recall that my problem with my 1.9L went away when I changed the coolant temperature switch (it was 10 years ago...
• 83' Vanagon - Coolant Temp Sensor and O2 Sensor - Could These Effect Idle?
  Historical mailing list - The Hammad Family
  Sat, 30 Jun 2001 07:37:46 -0400
  ...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: Water Level Indicator Red Blinking Light
  Historical mailing list - John Rodgers
  Sun, 18 Mar 2001 20:48:39 -0600
  ...I think > the problem was a bad combined coolant temperature gauge/coolant > over-temperature warning light. Any way, things worked great for a couple...
• Re: Temperature guage
  Historical mailing list - John Rodgers
  Sun, 8 Apr 2001 22:56:37 -0500
  I have a question! What good does a colder thermostat do....except open at a cooler temperature and allow the coolant to begin to...
• Re: overheating?
  Historical mailing list - John Lauterbach
  Tue, 12 Oct 1999 21:42:32 -0400
  ...temperature gauge was always just below the LED. Several weeks ago the needle suddenly climbed just above the LED. I checked the coolant overflow...
• RE: Followup: engine cooling non-problem
  Historical mailing list - Maher, Steve (SD-MS)
  Thu, 21 Mar 1996 13:32:00 -0800 (PST)
  ...Thanks again for the help, friends! :^) >Steve especially, > >Your test verified that coolant is circulating, your new fan switch works, >and that your temperature...
• Re: Flush & Fill & Fan Switch questions
  Historical mailing list - Marla Stelk
  Thu, 1 Aug 2002 20:24:10 -0400
  ...Flush & Fill & Fan Switch questions >Date: Wed, 31 Jul 2002 18:38:39 -0400 > >Well, i will repeat myself but it's a pleasure...
• Re: Gauges & sendinig unit installation
  Historical mailing list - John
  Sun, 14 Jan 2001 15:25:50 -0500
  ...coolant temperature sensor addition was simple as I tee'd with the > >original sender as shown. I got all my gauges(Volts, coolant temp...
• Re: Cooling system questions for 1.9L
  Historical mailing list - Evan Mac Donald
  Tue, 13 Sep 2005 13:52:25 -0700
  ...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: Cooler thermostat question? when needed?
  Historical mailing list - Bill Davidson
  Wed, 20 Sep 2000 15:46:50 -0700
  On long hot climbs a cooler thermostat and cooler fan switch will make absolutely no difference in where the temperature needle goes.... That's...
• Re: Radiator Fan Switch Problem Fixed & Alternate Flushing Method
  Historical mailing list - Warner, Jeff (DSIO-MS)
  Wed, 7 Aug 2002 16:07:37 -0400
  ...You can also pick up a cheap tester to test the effectiveness of your coolant. The switch I purchased was only $12 and you...
• Re: Comments on the Oil Cooler Upgrade Issue
  Historical mailing list - Frank Grunthaner
  Mon, 21 Nov 2005 03:06:06 EST
  ...can readily overheat, despite proper coolant source temperatures. This is a common failure in racing engines with the switch to improperly sized electric motor...
• Re: 1987 Syncro Cooling Issue
  Historical mailing list - kenneth wilford (Van-Again)
  Sat, 3 May 2014 14:42:57 -0400
  ...speed fan didn’t > come on, temperature would rise until the high speed fan switch tripped. > > The temperature is not rising when the high...
• Re: Coolant Hoses, Complete Set -- Remove and Replace
  Historical mailing list - Gabriel Hourtouat
  Thu, 25 Jun 2020 22:44:37 -0400
  ...temperature scanner reads 225F on the return > pipe to the water pump > > At idle, the coolant fan comes on and controls the temperature at...
• Re: Getting my 1985 Vanagon's front radiator fan to come on sooner
  Historical mailing list - Jeff Oxroad
  Thu, 24 May 2007 15:25:20 EDT
  ...VW makes a switch that will turn on your radiator fan at a cooler temperature than the stock switch. According to the Bus Depot...
• Re: Overcooling Hypothesis--Long
  Historical mailing list - Scott Daniel - Shazam
  Thu, 27 Dec 2007 11:06:45 -0800
  ...a period of 10 minutes or so in freezing temperatures, the coolant loses temperature, and your gauge is way off the edge of the...
• Re: Dex-Cool . . . I hesitate to ask this
  Historical mailing list - gary hradek
  Wed, 24 Oct 2007 12:21:43 -0700
  ...My personal experience is that after switching to Dex-Cool in a '91 Jetta I developed coolant leaks around the temperature sensors and between...
• Re: Water Level Indicator Red Blinking Light
  Historical mailing list - TinkerMan
  Tue, 13 Mar 2001 16:09:23 -0800
  ...Basically, the coolant level/temperature system is quite complex. The coolant temperature meter actually includes electronics within it, because the same input line is...
• Re: Scott: common knowledge?
  Historical mailing list - Rocket J Squirrel
  Fri, 25 Jan 2013 12:44:36 -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: Re temp gauge
  Historical mailing list - Larry Alofs
  Sun, 8 Jan 2012 21:11:15 -0600
  If it senses the level, why call it a temperature probe. And why use the term switch to describe two simple metal prongs. Larry...
• Re: vanagon Digest - 8 Jun 2004 - Special issue (#2004-539)
  Historical mailing list - gary hradek
  Wed, 9 Jun 2004 08:20:57 -0700
  ...My 87 clearly has the coolant sensor > unrelated to the temperature sensor when the coolant > level is low in the tank. The temperature gauge...
• Re: Wondering about coolant physics
  Historical mailing list - Frank Grunthaner
  Fri, 1 Jan 2016 16:39:40 -0500
  ...In summary, with my '82 diesel conversions, I switched the primary coolant reservoir to the '83 version, added a coolant level sensor and then...
• Re: intermittent radiator fan / overheating SOLVED
  Historical mailing list - Ryan Shawley
  Wed, 4 Oct 2006 15:34:58 -0400
  ...With the pump running, the reduced temperature coolant doesn't cut the fan off until coolant has circulated and cooled the whole system. With...
• Re: Blinking Temp Light.
  Historical mailing list - Joel Walker
  Sat, 09 Jul 94 10:55:12 CDT
  ...also check all your connections for the electrics on the cooling system (the coolant level sensor, coolant temp sensor, radiator fan switches, etc.) good...
• Re: Weird Coolant System Behavior
  Historical mailing list - Per Lindgren
  Sat, 12 Feb 2000 02:31:15 +0100
  The sender for the gauge sits on the engine right? The coolant in the lines and the radiator is colder than the coolant in...
• Re: weekend work
  Historical mailing list - Ry
  Sun, 14 Mar 2010 19:19:15 -0500
  ...The point of the thermostat is to allow > the coolant to heat to operating temperature. Once it reaches that > temperature, the thermostat is going...
• Re: Wasserboxer cooling (was:Re: aftermarket instrumentation)
  Historical mailing list
  Tue, 16 Jul 1996 14:25:34 -0400
  ...temperature could drop enough in 12 feet to be below the temperature switch's setpoint. If the coolant was flowing, and the switch did...
• Re: Oil pressure light
  Historical mailing list - Dennis Jowell
  Mon, 10 Nov 2014 11:05:00 -0500
  ...Only 1 of the switches can trigger the buzzer. It is the pressure switch by the waterpump pulley and oil pump cover. If that...
• Re: Cooling system questions
  Historical mailing list - Dennis Haynes
  Mon, 15 Feb 2016 21:55:28 -0500
  ...The radiator fan switch is checking the temperature of the coolant in the radiator. There is some interesting interactions going on here. For the...
• Re: Dex-Cool . . . I hesitate to ask this
  Historical mailing list - Allan Streib
  Wed, 24 Oct 2007 14:12:46 -0400
  ...My personal experience is that after switching to Dex-Cool in a '91 Jetta I developed coolant leaks around the temperature sensors and between...
• Re: Radiator Fan Keeps coming on
  Historical mailing list - Dave L
  Wed, 21 Jun 2000 13:23:03 -0400
  ...motion and coolant reaches that temperature X, so fan comes on to substitute for forward motion. Your situation of it switching on and off...
• Re: Wasserboxer cooling (was:Re: aftermarket instrumentation)
  Historical mailing list
  Wed, 15 May 1996 04:22:58 -0700
  ...idea to measure coolant temperature at the radiator for instrumentation purposes, turning on & off the radiator fans with a temperature switch here works just...
• Re: Re temp gauge
  Historical mailing list - Alistair Bell
  Sun, 8 Jan 2012 19:50:31 -0800
  ...Next to the pressure cap is a coolant level switch (improperly referee as 'a probe'). See examples @ BusDepot though they don't list the...
• Re: First long trip in 82 diesel - coolant temp?
  Historical mailing list - ovalwindow
  Fri, 22 Mar 2002 02:00:22 -0800
  jon- sounds like a nice tour! > noticed that these extended hills in 2nd gear really > brought the coolant > temperature up and had me worried...
• 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...
• Oil cooler questions. Reply was blocked.
  Historical mailing list - Dennis Haynes
  Sun, 30 Oct 2022 14:32:10 +0000
  ...Ideally oil temperature should be close to coolant temperature. 3) On the Waterboxer, the oil cooler/heater is actually designed to both. It is...
• '85 temp warning light won't turn off.
  Historical mailing list - CARY CHIANG
  Mon, 1 Mar 1999 17:52:24 MST
  ...I have replaced the instrument pod and compared the coolant level switch (in the expansion tank) and the coolant sensor (next to temp sensor...
• Re: 2.1L coolant light problem
  Historical mailing list - mark drillock
  Thu, 17 Jul 2003 10:24:40 -0700
  ...Mark gary hradek wrote: > > John, > I use to think the same but there is no high > pressure switch but rather a high temperature switch...
• A/C Temp Switch Question
  Historical mailing list - Scott McDonell
  Thu, 14 Jun 2001 14:40:30 -0700
  ...Problem is that when I turn the temperature switch on sometimes the compressor comes on and sometimes it doesn't. A couple weeks ago...
• Re: Coolant light mystery
  Historical mailing list - OlRivrRat
  Sat, 17 Sep 2022 11:30:55 -0600
  ...Coolant Indicator LED is Flashing at Normal Temperatures > Model(s): All Models > > > > * refer to appropriate wiring diagram > * disconnect coolant level sensor electrical connector > * check...
• Re: heating issue on 85
  Historical mailing list - John Rodgers
  Mon, 12 May 2003 06:42:30 -0600
  ...BE sure your coolant is the proper ratio - 50/50 water/coolant. Listen for the fan. In warm weather in normal operation the needle...
• Re: Water Cooler System Design Flaw Workaround?
  Historical mailing list - David Beierl
  Mon, 26 Apr 2010 20:15:52 -0400
  ...I'd expect the oil temp to be greater than the coolant temp under most operating conditions. The actual operating temperature doesn't have...
• Re: Temp sensor II replacement
  Historical mailing list - Rico Sapolich
  Mon, 24 Sep 2001 12:34:10 EDT
  ...to serve as a temporary stopper and a helper should you drop something while your thumb is stuck in the temperature switch hole. Rich
• Re: Scott: common knowledge?
  Historical mailing list - JRodgers
  Fri, 25 Jan 2013 19:55:09 -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: Blinking Red Light
  Historical mailing list - Thomas D. Hanlon
  Sun, 15 Aug 1999 05:44:18 -0700
  ...red light, "slow" > > clock, and the coolant level/temperature off the > > scale and no apparent coolant > > temperature range excess. Before replacing the > > voltage stabilizer...
• Re: Cooling Fan info discrepancies
  Historical mailing list - Mike
  Fri, 12 Oct 2007 18:38:24 -0400
  ...You should be able to measure >> across the switch when the temperature is up to see if it completes the >> circuit at the proper...
• How's this idea for diagnosing overheating?
  Historical mailing list - Keith Hughes
  Fri, 22 Jul 2005 08:27:42 -0700
  ...operating at temperature. Thus any contact resistance in the switch will affect the reading - you'll need a good (i.e. $$$) switch. >First off...
• Re: Radiator Fan Keeps coming on
  Historical mailing list - Jeanne Maly
  Wed, 21 Jun 2000 14:44:20 -0700
  ...motion and coolant > reaches that temperature X, so fan comes on to substitute for forward > motion. > > Your situation of it switching on and off...
• Re: Oil pressure light
  Historical mailing list - Dennis Jowell
  Mon, 10 Nov 2014 10:43:56 -0500
  ...Only 1 of the switches can trigger the buzzer. It is the pressure switch by the waterpump pulley and oil pump cover. If that...
• Re: Cooling Fan info discrepancies
  Historical mailing list - Kenneth Wilford
  Fri, 12 Oct 2007 12:36:06 -0400
  ...You should be able to measure across the switch when the temperature is up to see if it completes the circuit at the proper...