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Page 3+: 60 results shown for Coolant Loop.

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

• Alaska Vanagon Saga....was: Finally... My Van Has a Name
  Historical mailing list - Scott DeSanti
  Wed, 22 Jul 1998 23:11:08 EDT
  ...coolant loop with one of its own hoses. I then filled and bled the coolant ( of course, I cary spare phosphate/silicate free coolant...
• Re: Flushing the Coolant System
  Historical mailing list - John Lauterbach
  Fri, 15 Apr 2005 11:52:21 -0400
  ...Flushing the Coolant System > In the next week or two I will be removing my engine. I'm going > to take the opportunity to...
• Again - where should an in-line heater go?
  Historical mailing list - Marshall Ruskin
  Thu, 16 Nov 2000 21:01:33 -0600
  ...The main thing, is that we need to have the heated coolant circulate in a loop, going through both heads. Let's reference page...
• Re: More cooling fun..
  Historical mailing list - Jimmy Sanby
  Tue, 10 Nov 1998 10:08:31 +0200
  ...It appears that the coolant tank fills with air - and coolant gets pushed out to the overflow tank - which fills to above the cap...
• Re: Removing the rear heater
  Historical mailing list - Jeanne Maly
  Thu, 20 Apr 2000 16:58:35 -0700
  ...in a loop for hot water (per Dave Garth's hot water setup), how would I do that without sloshing coolant everywhere? Jeanne ----- Original...
• Re: Subaru wiring harness
  Historical mailing list - David Bayer
  Mon, 23 Mar 1998 18:18:14 -0800
  ...The Subaru might use the heater loop to circulate coolant when the thermostat is shut - change that to the only way the engine can...
• Re: windshield washer nozzles-removing?
  Historical mailing list - Joel Walker
  Tue, 20 Nov 2001 21:00:33 -0600
  ...had long ago had a series of loops of the washer fluid tubing around a heater/coolant hose. not sure what effect it had...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - neil N
  Tue, 5 Aug 2008 10:00:03 -0700
  ...wrote: >> >>> The decisin for the ECU to attempt closed loop operation is based on >>> coolant >>> temparature, time engine running, and throttle switch/engine rpm...
• Re: R rear heater blowout - stranded
  Historical mailing list - miguel pacheco
  Mon, 24 Aug 2009 18:35:39 -0600
  ...the send and return hoses you >> speak of. >> Creating a loop so the coolant could still flow. That "repair" is >> still in >> place because...
• Re: R rear heater blowout - stranded
  Historical mailing list - Dave Mcneely
  Mon, 24 Aug 2009 23:12:08 -0400
  ...a loop on the flow to the radiator. I can't see how, as some have suggested, thta joining the hoses keeps coolant from...
• High coolant temperature 87 need help
  Historical mailing list - Darrell Boehler
  Thu, 12 Aug 1999 15:40:23 -0500
  ...The thermostat seems to be opening about 10 C degrees too late thus the engine coolant loop seems to be a little too hot...
• Only 5V at Temp II sensor?
  Historical mailing list - George Gaudette
  Sat, 27 May 2017 14:45:30 -0400
  ...Doesn't the ECU go into a "closed loop operation" when the coolant temp reaches about 100 degrees F? And if so, would low...
• Re: Rear heater control
  Historical mailing list - Dave Mcneely
  Mon, 19 Nov 2012 16:28:19 -0600
  ---- Alistair Bell <albell@SHAW.CA> wrote: > what the heck exactly do you believe is suspended or dissolved in the coolant that will drop out...
• Re: No heat at stoplights.
  Historical mailing list - Dennis Haynes
  Sun, 10 Jan 2010 01:11:38 -0500
  Actually maximum circulation to the heating loop is with the thermostat closed. As the thermostat opens the circulating coolant mixes with the coolant in...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 4 Aug 2008 14:49:59 -0700
  ...wrote: >>The decisin for the ECU to attempt closed loop operation is based on >>coolant >>temparature, time engine running, and throttle switch/engine rpm...
• Re: overheating issues
  Historical mailing list - Robert Cardo
  Wed, 7 Sep 2005 12:14:10 -0500
  ...The heater core's are within the coolant loop when the valves are open. If the thermostst was stuck closed, turning on the fan...
• Re: Finally changing coolant on '88 - any tips?
  Historical mailing list - Shawn & Janis Wright
  Sat, 26 Apr 1997 13:42:14 -0800
  > > > > Well, after finally finading some Prestone Long Life coolant, I am > > preparing to change it today. > > Consider leaving some room for Redline Water Wetter...
• Re: Rear heater - sweet smell
  Historical mailing list - Bob Stevens
  Sat, 24 Apr 2010 09:32:42 -0600
  ...You will be constantly running an "open loop" condition and routing hot coolant through your cabin, even though under the seat, and in either...
• Re: [Fwd: head electrolysis cure?]
  Historical mailing list - Mark B. Magee
  Fri, 2 Oct 1998 13:19:26 -0500
  ...coolant loop, is the extremely hot surface forcing a turbulent water flow as the engine in put under a heavy load. The coolant "boils...
• Re: Rear heater control
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 19 Nov 2012 20:51:42 -0800
  ...coolant supply is passing through the heater. > > So I would say you would see more ppt. in the heater that was in the loop...
• Re: O2 Sensor - 3-wire vs 1-wire
  Historical mailing list - Jonathan Farrugia
  Sat, 21 Jan 2006 12:59:16 -0500
  the three wire has two wires for heater loop. this helps the sensor come up to temp quicker thus allowing the computer to use...
• Re: VDO Coolant Temp Gauge Sender...where to put???
  Historical mailing list - Max Wellhouse
  Sat, 12 Jul 2003 09:37:43 -0500
  ...Since coolant flows through that hose constantly, I think I made a reasonable choice. DM&FS At 10:38 AM 7/11/2003 -0700...
• Re: Hot water system thoughts
  Historical mailing list - Steven Johnson
  Sat, 9 Jan 1999 19:35:25 -0800
  ...Coolant flows through one loop, water from the tank in the other loop. I located the heat exchanger right behind the rear heater, so...
• Re: Takes a darn long time for the heater to come up to speed
  Historical mailing list - Rocket J Squirrel
  Thu, 12 Mar 2009 16:51:13 -0700
  Anyway, chimeras aside, what hose would be good to cut to insert this tank-type coolant heater: http://www.jcwhitney.com/ZEROSTART-TANK-TYPE...
• Re: O2 sensors revisited (short)
  Historical mailing list - Sam Walters
  Mon, 11 Sep 2006 16:48:41 -0400
  ...longer to heat up because all the coolant starts circulating and getting cooled by the radiator loop. I still think this problem is due...
• Re: Anyone know thread size of coolant bleeder bolt on radiator?
  Historical mailing list - Larry Alofs
  Fri, 16 Aug 2002 22:20:16 -0500
  ...If anyone has a another good suggestion about > > > easily tapping a pressure sender/switch into the > > > coolant system (e.g. to the coolant expansion...
• Re: 80 d Thermostat rocks/ brings up question
  Historical mailing list - David Beierl
  Tue, 24 Sep 2002 13:04:47 -0400
  ...what does the thermostat affect? The water pump circulates coolant in three main loops, one of them from the right head to the heaters...
• Re: Yesterday's Engine Fire in Rockefeller Center NYC
  Historical mailing list - Chris Mills
  Fri, 19 Dec 2003 10:33:30 -0600
  ...How about a big metal loop (horseshoe) of fuel line that goes up inside the body some place vertically after the fuel pump (which...
• Re: Need input on radiator problem
  Historical mailing list - Benny boy
  Wed, 7 Feb 2007 21:49:02 -0500
  """the lower disc closes off the bypass that allows coolant to continuously flow throughout the engine."""" Not on the 1.9L Dennis, i have...
• Re: Is a cooler thermostat better for the heads?
  Historical mailing list
  Sun, 26 Jan 1997 16:51:26 +0000
  ...If I'm not mistaken, most cars, including the Vanagon have the heater loop separate from the thermostat, so coolant runs through the heater...
• Re: Bubble in cooling system? '87 Vanagon
  Historical mailing list - W.R. Transue
  Tue, 23 Jul 96 10:55:09 -0500
  ...notice that it goes up to a "loop" around the engine > and that loop is connected to the coolant reservoir. > Hmm. don't know...
• shower for vanagon
  Historical mailing list - David Garth
  Thu, 4 Aug 1994 06:54:41 -0700 (PDT)
  ...It was much too dangerous without a thermostat to shut off the coolant loop to the water heater when the proper (125 degree max...
• Re: 80 d Thermostat rocks/ and so does David Beierl!
  Historical mailing list - kevin obrien
  Tue, 24 Sep 2002 10:29:51 -0700
  ...what does the thermostat affect? > > The water pump circulates coolant in three main > loops, one of them from the > right head to the heaters...
• Re: coolant overflow tank-OOPS!
  Historical mailing list - Dennis Haynes
  Tue, 26 Feb 2013 01:18:16 -0500
  ...Then when things cool down and the coolant contracts the vacuum valve opens to allow coolant to return from the recovery tank. Yes this...
• Re: Changing thermostat woes
  Historical mailing list - Dennis Haynes
  Mon, 26 Nov 2007 08:35:18 -0500
  ...The expansion tank sucked dry and the flashing coolant light came on so I added more coolant. Flashing light went off but coolant not...
• Re: Coolant leak from above the oil filter........happenned to you?
  Historical mailing list - Dennis Haynes
  Mon, 2 Feb 2004 19:34:27 -0500
  Try checking that weird hose that connect to the back of the head and goes to the coolant loop. This hose tends to crack...
• Re: R rear heater blowout - stranded
  Historical mailing list - Don
  Mon, 24 Aug 2009 20:45:19 -0600
  ...the send and return hoses you >>> speak of. >>> Creating a loop so the coolant could still flow. That "repair" is >>> still in >>> place because...
• Re: Coolant pipes replacement
  Historical mailing list - Tim Demarest
  Fri, 30 Jun 2006 16:04:54 -0400
  ...I carry the parts to bypass the heater loop inside the engine compartment and spare coolant at all times). Frank Condelli sells an excellent...
• Re: Removing the rear heater
  Historical mailing list - Davidson
  Thu, 20 Apr 2000 17:11:52 -0700
  ...in a loop for hot water (per Dave Garth's hot water >setup), how would I do that without sloshing coolant everywhere? > >Jeanne > >----- Original...
• Re: Rear heater control
  Historical mailing list - Dennis Haynes
  Tue, 20 Nov 2012 08:51:47 -0500
  ...coolant supply is passing through the heater. > > So I would say you would see more ppt. in the heater that was in the loop...
• wasserboxer cold weather prep
  Historical mailing list - Dan Houg
  Tue, 12 Sep 1995 12:01:21 CST6CDT
  ...b) covers the radiator so that the thermostat sends more coolant up front to be cooled. since the heater hoses run parallel with the...
• '84 WBX: H pipe broke..questions
  Historical mailing list - Gregory Smith
  Tue, 2 Sep 2003 18:39:44 -0700
  ...top end to allow some coolant in, but not the full flow of what goes through the loop. They are no longer made I...
• Re: New thermostat funky?
  Historical mailing list - Geza Polony
  Sun, 2 Dec 2007 01:10:58 -0500
  ...Gauge absolutely at bottom, open loop mode, and--the clincher--no heat from either heater core. It's the long downhill stretches that get...
• Re: Should I opt for ALL new water lines?
  Historical mailing list - TJ Hannink
  Thu, 29 Jan 2004 18:25:45 -0800
  ...At a minimum, I would replace all the hard and soft parts in the main coolant loop and the small hoses near the oil...
• Re: plugging heater hoses
  Historical mailing list - David Vickery
  Tue, 1 Sep 2009 19:30:41 -0700
  ...heater valve closed, and looping > them is no different from having the heater valve open, so > far as coolant flow is concerned. > > Dave Mc...
• Re: 87 2.1 dies after 30 seconds
  Historical mailing list - OlRivrRat
  Fri, 27 Feb 2015 19:23:08 -0700
  Found this ~ Have no idea who the Dennis is ~ " When the coolant reaches about 100'F, the ECU goes into "Closed Loop" operation. At...
• Re: Only 5V at Temp II sensor?
  Historical mailing list - George Gaudette
  Sat, 27 May 2017 14:53:52 -0400
  ...Doesn't the ECU go into a "closed loop > operation" when the coolant temp reaches about 100 degrees F? And if so, > would low...
• Re: R rear heater blowout - stranded
  Historical mailing list - brady
  Tue, 25 Aug 2009 06:45:11 -0700
  ...a loop on the flow to the radiator. I can't see how, as some have suggested, thta joining the hoses keeps coolant from...
• rear heater core bypass; Volvos
  Historical mailing list - Carol Sussman
  Fri, 10 Sep 1999 14:29:05 EDT
  ...Theory is air will end up here since this loop is the highest point in the coolant pathways; hence the bleeder valve. Anyone want...
• Re: Coolant Hose vs. Coolant Pipe
  Historical mailing list - Tom Carchrae
  Fri, 19 Oct 2012 07:16:52 -0700
  ...I had a very satisfying breakdown-side-of-road-repair where one hose leak (heater core loop) was actually in a standard sized hose...
• Removing the rear heater, flusing tees, and heat in general
  Historical mailing list - Stuart MacMillan
  Fri, 21 Apr 2000 09:06:29 -0700
  ...So, replace these every four years! Also, if you loop the hose you will be providing a low resistance path back to the engine...
• Re: Rear heater control
  Historical mailing list - Alistair Bell
  Mon, 19 Nov 2012 09:42:22 -0800
  Dave, the comparison you make between a car's cooling system: - closed loop, low O2 (if not anoxic), water, ethylene glycol, corrosion inhibitors and...
• Re: Hot water;
  Historical mailing list - John Carpenter
  Sat, 3 Mar 2007 00:19:58 +0000
  ...Coolant flows through one loop, water from the tank in the other loop. I located the heat exchanger right behind the rear heater, so...
• hot water and shower at last!
  Historical mailing list - David Garth
  Wed, 31 Aug 1994 09:41:50 -0700 (PDT)
  ...Coolant flows through one loop, water from the tank in the other loop. I located the heat exchanger right behind the rear heater, so...
• Re: 2.1 to 1.9 oil cooler retrofit design Q (longish)
  Historical mailing list - Dennis Haynes
  Thu, 27 Jan 2005 20:23:44 -0500
  ...Pro for #1 is that it runs off the engine coolant loop, so it will help heat up the oil on cold startups, much...
• Vanagon TSB's Technical Service Bulletins
  Historical mailing list - Paul Guzyk
  Thu, 30 Apr 2009 10:33:31 -0400
  ...Vanagon Surging/Stalling * (87-N05) Easy Does It * (87-N06) Vanagon "Dust Buster" Air Filter * (87-N08) Basic Digifant Assumptions * (88-N07) Coolant Loop
• Re: Broken New Engine, What is fair resolution?
  Historical mailing list - DaveC
  Wed, 10 Apr 2002 08:50:08 -0700
  ...Have the coolant checked for combustion >byproducts. If there is any present, then you have a combustion leak of some >sort. The real problem...
• Re: A/T problems -- fluid level high
  Historical mailing list - Dennis Haynes
  Sun, 22 Feb 2015 12:00:06 -0500
  ...the coolant hoses together with a coupling or perhaps removing one and connecting the remaining hose to both connectors, thus creating a loop? What...
• temp sensor Q
  Historical mailing list - Rolf Pechukas
  Fri, 1 Oct 1999 12:47:47 EDT
  ...what's in the loop electrically? there seem to be leads/sensors from back of head, top of main coolant hose into head, and...
• Re: back heat removal, comparative experiences among my vans
  Historical mailing list - mark drillock
  Mon, 12 Apr 2004 10:41:05 -0700
  ...In any case, a tiny opening compared to the main coolant passages to the radiator. Any Vanagon cooling system that depends on blocking that...