← vanagon.com home · Continue the discussion in the forum

Search messages and discussions

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 1+: 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.

clarification please
Historical mailing list
Wed, 26 Feb 1997 19:20:20 -0500
...Is the temperature coolant sensor the little brass switch and the one with the plug the thermo-fan switch. The guy at the local...
Re: Flashing Coolant Light
Historical mailing list - Simon Glen
Fri, 26 Jan 2001 00:02:25 +1000
...coolant level was good and the temperature was normal.. I replaced the coolant level warning light switch at the top of the coolant expansion...
Re: clarification please
Historical mailing list - Mark McCulley
Wed, 26 Feb 1997 17:16:12 -0800
...Is the temperature coolant sensor the >little brass switch and the one with the plug the thermo-fan switch. The >guy at the local...
Re: Warning light
Historical mailing list - Dennis Jowell
Wed, 5 Nov 2014 06:22:57 -0500
...The coolant warning > light is in the coolant temperature gauge. > The oil pressure warning system is a bit complex. There are two sensors. A...
Re: Warning light
Historical mailing list - Dennis Jowell
Thu, 6 Nov 2014 06:30:01 -0500
...The coolant warning >>> light is in the coolant temperature gauge. >>> The oil pressure warning system is a bit complex. There are two sensors. A...
Re: Warning light
Historical mailing list - Dave Mcneely
Wed, 5 Nov 2014 09:11:13 -0600
...The coolant warning > > light is in the coolant temperature gauge. > > The oil pressure warning system is a bit complex. There are two sensors. A...
Re: Thermostats - 87 degree vs 80 degree
Historical mailing list - Dave Mcneely
Mon, 10 Oct 2011 22:40:28 -0500
...At the set temperature, it opens, allowing coolant flow. It plays no role whatsoever in getting the coolant temperature to drop. It will stay...
Re: Thermostats - 87 degree vs 80 degree
Historical mailing list - mark drillock
Mon, 10 Oct 2011 16:03:00 -0700
...At the set temperature, it opens, allowing coolant flow. It plays no role whatsoever in getting the coolant temperature to drop. It will stay...
Re: Warning light
Historical mailing list - Dennis Haynes
Tue, 4 Nov 2014 19:45:05 -0500
...The coolant warning light is in the coolant temperature gauge. The oil pressure warning system is a bit complex. There are two sensors. A...
Thank you for temperature answers!
Historical mailing list - Lionel Tun
Tue, 28 Jan 1997 20:23:44 -0000
...switch (can't be sure its faulty but its cheaper than an engine - when should it switch on?) I am not replacing the temperature...
Anyone know thread size of coolant bleeder bolt on radiator?
Historical mailing list - TinkerMan
Thu, 15 Aug 2002 22:33:14 -0700
...Anybody got measurements/graphs of cooling system pressure as function of coolant temperature? 2. Anyone know of cheap 15-20 psi pressure switches, possibly...
Re: radiator fan and A/C
Historical mailing list - Dan N
Thu, 25 Jul 2019 11:57:31 -0700
...different temperature settings. The > originals were set quite high to avoid nuisance running during hot weather. > As the switch is sensing the coolant leaving...
fan switch or sensor, a busdepot question
Historical mailing list - gary hradek
Mon, 29 Sep 2003 13:13:58 -0700
...Busdepot sells a sensor switch which is a lower temperature switch for the two speed radiator fan. Does anyone know if it works better...
Wasserboxer cooling (was:Re: aftermarket instrumentation)
Historical mailing list
Mon, 15 Jul 1996 15:26:32 -0400
...All VW needed to do is determine the proper engine coolant operating temperature, and choose a radiator mounted switch with an appropriately lower setpoint...
Re: gauge recommendations
Historical mailing list - Frank Grunthaner
Tue, 12 Feb 2002 22:08:13 EST
...temperature, battery voltage taken at the fuse panel and switched, battery voltage taken at the output terminal of the auxiliary battery and unswitched, coolant...
Re: Wasserboxer cooling (was:Re: aftermarket instrumentatio
Historical mailing list
Tue, 16 Jul 1996 08:42:53 -0600
...Oil temperature can be much more volitile than >> coolant temperature, but after a sustained period under extreme condiditions >> the coolant temperature will inevitibly rise...
Re: radiator fan and A/C
Historical mailing list - OlRivrRat
Fri, 26 Jul 2019 09:01:59 -0600
...As the switch is sensing the coolant leaving the radiator it is normal for engine temperature to rise sometimes significantly before the fan is...
Re: Wasserboxer cooling (was:Re: aftermarket instrumentation)
Historical mailing list
Tue, 16 Jul 1996 00:37:05 -0400
Jim Davis (SyncroHead) writes: << All VW needed to do is determine the proper engine coolant operating temperature, and choose a radiator mounted switch with...
Re: 2.1L coolant light problem
Historical mailing list - David Brodbeck
Wed, 16 Jul 2003 15:43:07 -0400
...I figure this is because of that long coolant loop between the temperature you're looking at, and the one the fan switch is...
AW: morons
Historical mailing list - Robert Keezer
Thu, 22 Aug 2002 12:31:56 -0700
...I have no scientific data but when coolant reaches the temperature the switch is calibrated for, it closes and the radiator fan is activated...
Re: radiator fan and A/C
Historical mailing list - Dan N
Fri, 26 Jul 2019 08:34:45 -0700
...As the switch is sensing the coolant leaving the radiator it is > normal for engine temperature to rise sometimes significantly before the > fan is...
Re: Cooling system questions for 1.9L
Historical mailing list - Jake de Villiers
Tue, 13 Sep 2005 13:52:51 -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: Water Temperature Light
Historical mailing list - Zoltan
Thu, 8 Feb 2007 18:30:15 -0800
...b/w the full/empty marks on the expansion tank), no recent coolant changes or leaks. The (analog) temperature gauge behaves normally, starting from...
Re: Thermostats - 87 degree vs 80 degree
Historical mailing list - Karl Wolz
Mon, 10 Oct 2011 16:14:55 -0700
...At the set temperature, it opens, |allowing coolant flow. It plays no role whatsoever in getting |the coolant temperature to drop. It will stay...
Re: Weird Stuff----
Historical mailing list - David Richoux
Tue, 12 Feb 2002 09:48:49 -0800
...Coolant level warning switch shown on 19.8 and wiring diagram 97.31 both send voltages to the gauge/warning light ONLY. Temperature Sensor...
AC/ Radiator Fan Switch Question
Historical mailing list - Lund
Sat, 11 Jul 1998 19:08:53 -0700
...It apparently is coming on when the coolant temp switch senses the higher water temperature. Am I missing something here? When I switch on...
Re: 2.1L coolant light problem
Historical mailing list - gary hradek
Wed, 16 Jul 2003 13:20:58 -0700
...I figure this is > because of that long > coolant loop between the temperature you're looking > at, and the one the > fan switch is...
Re: Warning light
Historical mailing list - KIM BRENNAN
Tue, 4 Nov 2014 16:03:02 -0500
...Is this telling me that I am low in coolant? Coolant temperature is mid range all the time. Or is it and oil pressure...
coolant presure
Historical mailing list - Darrell Boehler
Sun, 21 Dec 1997 12:44:32 -0600
...The coolant pressure is 0 when cold and slowly rises along with the coolant temperature to around 10 psi, I assumed it would sit...
Re: Auxilliary waterpump for vanagon?
Historical mailing list - Karl M.
Fri, 6 Oct 2000 23:41:38 -0400
...switch, so that it gives more coolant flow if the oil temps go over 120 C. Pretty simple to wire up. Karl Mullendore Westy...
Re: Coolant Hoses, Complete Set -- Remove and Replace
Historical mailing list - vw_van_fan_Mark
Thu, 25 Jun 2020 19:48:35 -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...
Re: gauge recommendations
Historical mailing list - Allan Bagley
Tue, 12 Feb 2002 22:48:32 -0800
...temperature, battery voltage taken at the fuse panel and switched, battery voltage taken at the output terminal of the auxiliary battery and unswitched, coolant...
Re: Water Temperature Light
Historical mailing list - Dennis Haynes
Thu, 8 Feb 2007 21:15:52 -0500
...b/w the full/empty marks on the expansion tank), no recent coolant changes or leaks. The (analog) temperature gauge behaves normally, starting from...
Re: Auxilliary waterpump for vanagon?
Historical mailing list - Mike Catlin
Fri, 6 Oct 2000 18:55:31 -0700
...Sorry, I have no information on wiring, relay, temperature switch, or hoses for this application. Mike <mjcatlin@pacbell.net> Davis, Calif.
Scott: common knowledge?
Historical mailing list - Rocket J Squirrel
Fri, 25 Jan 2013 11:56:57 -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: engine temps
Historical mailing list - David Beierl
Sun, 28 Mar 1999 01:00:05 -0500
...So at those two points you can say roughly what the temperature is. However there will be places in the engine where the coolant...
Aux fan function
Historical mailing list - John
Mon, 31 Jul 2000 14:31:49 -0400
...coolant temperature exceeds 95*C or whenever the A/C system is switched ON--operating sound = quiet and "normal". 2nd stage(1 resistor): A...
RE: Followup: engine cooling non-problem
Historical mailing list - Michael A. Radtke
Thu, 21 Mar 1996 13:20:01 -0700
Steve especially, Your test verified that coolant is circulating, your new fan switch works, and that your temperature gauge seems OK. However, in an...
Re: Head gasket FIX!!!
Historical mailing list
Mon, 14 Jul 1997 13:00:57 +0200
...What air flow? >VW has on water cooled cars put in either an afterrun fan thermo switch OR a >afterrun COOLANT PUMP and thermo...
Re: 89 Westy - coolant light
Historical mailing list - Dave Baker
Wed, 11 Apr 2001 16:09:45 -0500
...It's supposed to blink a couple of times when you switch on the ignition, regardless of the temperature of the engine. Dave in...
2.1L coolant light problem
Historical mailing list - gary hradek
Wed, 16 Jul 2003 12:30:52 -0700
I have always observed that there is a bit of a disconnect between what you see as an engine temperature(the light) and what...
Re: gauge recommendations
Historical mailing list - Mike Moery
Tue, 12 Feb 2002 22:50:15 -0900
...temperature, battery voltage taken at the fuse panel and switched, battery voltage taken at the output terminal of the auxiliary battery and unswitched, coolant...
Re: Anyone know thread size of coolant bleeder bolt on radiator?
Historical mailing list - Jfp w/3 WBXs
Fri, 16 Aug 2002 06:45:02 +0000
Hi, I'm designing a pressure based warning system based on Darrell's idea, using an oil pressure 0.3Bar switch. My switch will...
Re: TIICo - temperature issues
Historical mailing list - Dana Morphew
Tue, 25 Jun 2002 17:44:10 -0700
...want the coolant to enter the top of the radiator and exit the bottom. > > Anyone fiddle around with the fan switch? Is there any...
Re: Aux Oil Cooler install...results Aircooled vanagon
Historical mailing list - Frank Grunthaner
Sun, 30 Jun 2002 01:58:26 EDT
...I have seen a hard operating coolant temperature drop of about 10 to 15 degrees with an oil temperature drop of 35 to 50...
Re: Low Temp Radiator Thermo Switch "Better"?
Historical mailing list - Marius Strom
Fri, 25 May 2012 22:50:14 +0000
...I figure the temperature at which the radiator fan comes on might be based on assumptions of coolant flow levels below that which is...
Re: Help with coolant light flashing randomly - no leaks
Historical mailing list - David Clarkson
Sat, 15 Sep 2007 20:04:59 EDT
...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: Poor Gas Mileage
Historical mailing list
Thu, 08 May 1997 00:33:57 EDT
Sounds to me like a Thermotime Switch (Thermostat Housing) ain't shutting off when the coolant temperature reaches the proper threshold. We have had...
Re: fan switch or sensor, a busdepot question
Historical mailing list - mark drillock
Wed, 1 Oct 2003 07:57:40 -0700
...If > T temperature goes up than pressure and or volume > goes up and coolant goes pissing our the back blue cap > into the overflow...
Radiator fan shutoff problem
Historical mailing list - Gary McEachern
Mon, 6 Sep 1999 17:27:01 EDT
...The fan turned on low when the AC was switched on (or when the coolant temperature was high) but when I turned the van...
blinking temp gauge
Historical mailing list - Ian Steele
Thu, 31 Aug 2006 15:50:10 -0500
...2) Temperature sensor seems to work properly as gauge temperature goes from cold to mid-scale as engine warms. 3) Replaced coolant level relay...
Water Temperature Light
Historical mailing list - Michael Hart
Thu, 8 Feb 2007 18:01:25 -0800
...b/w the full/empty marks on the expansion tank), no recent coolant changes or leaks. The (analog) temperature gauge behaves normally, starting from...
Re: 2.1L coolant light problem
Historical mailing list - gary hradek
Thu, 17 Jul 2003 10:00:05 -0700
John, I use to think the same but there is no high pressure switch but rather a high temperature switch. Dig a little deeper...
Re: Thermostats - 87 degree vs. 80 degree
Historical mailing list - Dennis Haynes
Mon, 10 Oct 2011 23:13:01 -0400
...At the set temperature, it opens, allowing coolant flow. |It plays no role whatsoever in getting the coolant temperature to drop. |It will stay...
Re: Another heating/cooling question
Historical mailing list - Frank Grunthaner
Sun, 19 Nov 2000 11:44:37 EST
...The maximum running pressure also correlates with the coolant temperature. For example, turning on the AC (in my implementation) also triggers the low speed...
Re: Coolant Hoses, Complete Set -- Remove and Replace
Historical mailing list - Gabriel Hourtouat
Thu, 25 Jun 2020 22:03:21 -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: Failed emissions for third time
Historical mailing list - mark drillock
Fri, 19 Jul 2013 18:27:15 -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: Help with coolant light flashing randomly - no leaks
Historical mailing list - Mike Collum
Sat, 15 Sep 2007 20:37:55 -0400
...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: Temperature gauge reading wrong?
Historical mailing list - David Beierl
Thu, 27 Dec 2001 17:03:43 -0500
...The switch simply >monitors fluid level in the reservoir, not temperature. Overheating may or >may not cause coolant loss, thus low level in the...
Re: Temperature fluctuations
Historical mailing list - Tonya Pope
Thu, 16 Jan 1997 16:39:31 -0800
...dozen stuck in the coolant altogether--each little thing has it's own!) It just may be time to switch yours for a new...