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Page 2+: 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.

• Looping Rear Heater Lines
  Historical mailing list - Richard Koerner
  Tue, 10 Dec 2013 19:38:58 -0800
  "List" opinion:� DO NOT loop the lines if deleting rear heater.� Plug them.� Otherwise hot coolant quickly returns to engine instead of going forward...
• Re: 2.1 Temp sender resistance values?
  Historical mailing list - John Bange
  Tue, 9 Aug 2005 08:11:13 -0700
  ...Wha? How does alternating current come into a 12V DC system? The temp circuit is a thermistor and a gauge on a 12VDC loop.
• Re: [Diesel-Vanagon] How does coolant circuit to oil cooler work?
  Historical mailing list - Poppie Jagersand
  Sun, 9 Sep 2012 21:38:12 -0700
  I tried the experiment proposed in the post below. (varying the proportion of coolant between the parallel loops through radiator and oil cooler respectively...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - Dennis Haynes
  Mon, 4 Aug 2008 13:43:34 -0400
  The decisin for the ECU to attempt closed loop operation is based on coolant temparature, time engine running, and throttle switch/engine rpm. The...
• Re: O2 Sensor Idea (long)
  Historical mailing list - Budd Premack
  Thu, 7 Sep 2006 18:50:28 -0500
  ...The temp 2 sensor/ engine coolant temp needs to get an output below about 2 volts before the ecu goes into closed loop. You...
• Re: plugging heater hoses
  Historical mailing list - Dave Mcneely
  Tue, 1 Sep 2009 14:18:13 -0400
  ...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: Radiator Cooling Fan Cycles Frequently
  Historical mailing list - Mike S
  Sat, 23 Jun 2012 20:51:32 -0400
  ...When the T-stat opens, and lets more hot coolant through the system, the fan kicks in, and the combination cools quickly. Lather, rinse...
• Re: Other stuff to check for rust-out (was Coolant pipes replacement)
  Historical mailing list - Dennis Haynes
  Fri, 30 Jun 2006 16:17:40 -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: 84 coolant light.
  Historical mailing list - Scott Daniel - Turbovans
  Tue, 1 Sep 2009 20:36:09 -0700
  ...a pesky flashing > coolant light. Coolant level is fine. Operating temp is fine but the > light flashes. I attempted to loop the circuit at...
• Drain/Fill Coolant Loop W/O Burping
  Historical mailing list - Mark B. Magee
  Wed, 24 Sep 1997 21:17:08 -0500
  ...However due to previous coolant leaks same mech left in tap water for me to drive with to ensure all leaks in coolant loop...
• Re: Best flushing method - 2.1,and maintenance questions.
  Historical mailing list - Jay L Snyder
  Tue, 25 Mar 2003 12:33:55 -0500
  ...Disconnect the heater hoses at the same location to backflush that coolant loop. > 2 Where can I insert a Prestone Tee ? Don't bother...
• Re: 4th heater core burst in 1 year!
  Historical mailing list - David Beierl
  Thu, 5 Jul 2001 18:55:59 -0400
  ...It also opens with a slight vacuum to allow coolant to be pulled back from the recovery tank into the pressure loop. In most...
• Re: Rear heater control
  Historical mailing list - Alistair Bell
  Mon, 19 Nov 2012 16:13:19 -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: Attn: Successful Subaru transplants: heater control solution?
  Historical mailing list - Patrick Bryson
  Sat, 20 May 2000 09:50:54 -0700
  ...Has someone designed or used a three-way valve, or other type > bypass system that will allow the coolant to be closed off as...
• Re: Coolant Temp?
  Historical mailing list - Mike Collum
  Mon, 27 Nov 2006 21:07:27 -0500
  ...Mike Houlton, Maine Geza Polony wrote: > Hello all, > > Trying to diagnose a closed-loop erratic idle, I measured the coolant temp > in the expansion...
• Re: Rear heater control
  Historical mailing list - Alistair Bell
  Mon, 19 Nov 2012 13:13:15 -0800
  what the heck exactly do you believe is suspended or dissolved in the coolant that will drop out of solution, or settle, or what...
• Re: Turning off rear heater
  Historical mailing list - Don
  Thu, 29 Jul 2010 22:07:38 -0600
  ...Make a > loop and > take the heat radiator and fan motor right out. Don >> Not a great idea as this just creates a "short...
• corrosion
  Historical mailing list - Tim Smith
  Mon, 18 Jan 1999 13:49:05 -0400
  Hi All, I keep seeing speculation about corrosion mechanisms in vanagons, based on different engine/plumbing metals setting up anodes/potential flow loops etc...
• =?windows-1252?Q?Re=3A_=95_Looking_for_drivers_side_power_window?= =?windows-1252?Q?_motor_and_pop_top_luggage_rack_mounts_?=
  Historical mailing list - Alistair Bell
  Thu, 24 May 2012 20:07:11 -0700
  I think Go Westy sells stainless luggage rack loop replacements (footman loops). I sourced a slightly different shaped footman loop from local West Marine...
• Re: Anyone have a good rear heater core for sale?
  Historical mailing list - Stuart MacMillan
  Wed, 11 Dec 2013 09:12:35 -0800
  ...DO NOT loop the lines if deleting rear heater. Plug them. Otherwise hot coolant quickly returns to engine instead of going forward to radiator...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - mdrillock
  Tue, 5 Aug 2008 09:36:13 -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: [Syncro] factory auxiliary syncro heater-heater booster
  Historical mailing list - Lawrence Johnson
  Fri, 17 Nov 2000 19:15:52 -0500
  ...heater loop ever reaches 80�C then the computer opens a valve which diverts the Webasto output to the engine coolant loop. (reference Bentley...
• Re: Rear heater core during summer
  Historical mailing list - John Bange
  Fri, 10 Jun 2005 08:41:07 -0700
  ...coolant circuit through the radiator. The jackass PO of my vehicle had a rear core leak and replaced it with a short loop of...
• Re: Anyone have a good rear heater core for sale?
  Historical mailing list - Richard Koerner
  Tue, 10 Dec 2013 19:38:03 -0800
  "List" opinion:� DO NOT loop the lines if deleting rear heater.� Plug them.� Otherwise hot coolant quickly returns to engine instead of going forward...
• How does coolant circuit to oil cooler work?
  Historical mailing list - Poppie Jagersand
  Fri, 7 Sep 2012 19:57:51 -0700
  ...The oil cooler on a Vanagon Diesel is connected to the coolant loop in two places: 1. At the radiator return hose near the...
• Re: Too hot or not?
  Historical mailing list
  Fri, 28 Feb 1997 14:14:20 -0400 (AST)
  ...If this happens at high RPMs you have an airbubble in the coolant loop that the pump pressure is collapsing, hence lowering coolant level...
• Re: Heat/Hot Showers Cheap!
  Historical mailing list - Harvey Chao
  12 Dec 1995 10:47:05 -0800
  ...It is spliced into the coolant loop to keep the oil temps down. ======================== This description matches the unit installed in my diesel in the...
• Re: oil cooler
  Historical mailing list - Chris S.
  Thu, 3 Apr 2014 12:39:41 -0400
  You will not have drain back on engine shutoff in a closed loop system, much like submerging a garden hose in the pool and...
• Re: Cold Idle Problem
  Historical mailing list - David Beierl
  Fri, 8 Sep 2017 14:49:37 -0400
  ...air temp, coolant temp, air flow, closed-throttle/wide-open throttle, rpm/TDC** (plus oxygen sensor for closed-loop operation). I can't tell...
• Re: Coolant Temp?
  Historical mailing list - Jim Felder
  Mon, 27 Nov 2006 20:10:35 -0600
  ...wrote: > Hello all, > > Trying to diagnose a closed-loop erratic idle, I measured the > coolant temp > in the expansion (not overflow) container, and found...
• Re: warm up and coolant pressure on head gasket seals>
  Historical mailing list - Paul Mayfield
  Fri, 4 Jan 2002 16:25:25 +0000
  ...water pump impeller capable of pushing coolant over 30 > ft of hose. > Even with the heater loops open , I feel that engine operation should...
• Re: 84 coolant light.
  Historical mailing list - David Kao
  Wed, 2 Sep 2009 00:10:49 -0700
  ...a pesky > flashing > coolant light. Coolant level is fine. Operating temp is > fine but the > light flashes. I attempted to loop the circuit at...
• R rear heater blowout - stranded
  Historical mailing list - Don Spence
  Mon, 24 Aug 2009 15:47:03 -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: Bypass coolant pipes under van for rear heater
  Historical mailing list - Keith Ovregaard
  Fri, 6 Jun 2008 08:46:18 -0700
  ...Seems there was some controversy on whether to cap the hoses or let the coolant loop back. The heater valve allows either to happen...
• Re: Removing the rear heater
  Historical mailing list - Mark McCulley
  Thu, 20 Apr 2000 16:58:50 PDT
  Ron, It's not a good idea to just connect the two hoses as this will bypass the radiator and route hot coolant back...
• Re: Coolant leak in the far rear
  Historical mailing list - Mike Boland
  Fri, 13 Dec 2002 00:17:21 -0600
  earlier models had all metal cooling loop, later models got cheap plastic cooling loop.. At 03:49 PM 12/12/2002 -0600, Erick Faith...
• Re: Best flushing method - 2.1,and maintenance questions.
  Historical mailing list - Jay L Snyder
  Tue, 25 Mar 2003 13:27:03 -0500
  ...in the radiator loop. You will need to remove the thermostat in order to flush the radiator and the large coolant hoses. Then you...
• Re: Cooling System Pressure Test Protocol
  Historical mailing list - John Rodgers
  Sun, 24 Mar 2002 22:34:59 -0600
  ...I know on my 88 GL there is a plumbing loop installed that circulates coolant around the engine, especially the heads, even when the...
• Re: '84 WBX: H pipe broke..questions
  Historical mailing list - George Goff
  Wed, 3 Sep 2003 08:05:57 EDT
  ...Perhaps the H-fitting is not as efficient as the engine bay coolant loop in bleeding entrained air from the coolant, but I would...
• Re: Coolant loss mystery
  Historical mailing list - Dennis Haynes
  Mon, 3 Nov 2003 19:11:50 -0500
  ...It is a good idea to check all the small hose connections to that loop in the engine compartment. I've seen them all...
• Re: running hot....any ideas? UPDATE
  Historical mailing list - Sam Walters
  Tue, 7 Feb 2006 00:58:38 -0500
  ...It is not opening to let the coolant circulate to the radiator and back. The limited volume of flow through the heater hose loop...
• Re: hesitating when warm?
  Historical mailing list - Steve Delanty
  Fri, 25 Apr 2003 20:17:42 -0700
  Could it be an O2 sensor related problem? The ECU runs "open loop" until the motor is warmed up, then it goes into closed...
• Air fuel tuning technique - Gurus wanted
  Historical mailing list - Dennis
  Tue, 26 Jul 2005 14:59:12 -0400
  ...Given cold weather, short hop mileage (open loop operation) which was poor, and closed loop operation mileage at 27mpg (auto, westfalia), I was fairly...
• 2.1 to 1.9 oil cooler retrofit design Q (longish)
  Historical mailing list - Damon Campbell
  Wed, 26 Jan 2005 23:15:49 -0800
  ...Pro for #1 is that it runs off the engine coolant loop, so it will help heat up the oil on cold startups, much...
• Re: How do I remove these clamps???
  Historical mailing list - Gerald Masar
  Sun, 3 Jun 2007 17:41:19 -0700
  ...Both when re-doing the fuel tank vent lines and the small coolant hoses in the engine compartment. I have had some luck with...
• Decadent!
  Historical mailing list - Jeremy Speer
  Sat, 13 Dec 2003 15:35:49 -0600
  ...the old coolant and the numerous rust spots on the hard pipe that comes out of the water pump and loops under the left...
• Rear Heater Removal
  Historical mailing list - TJ Hannink
  Mon, 25 Mar 2002 22:16:26 +0800
  ...I bypassed the heater loop by disconnecting the thermostat heater hose at the "T" and connecting it directly to the coolant distributor . Had to...
• internal head gasket leak or not?
  Historical mailing list - dylan friedman
  Sat, 31 Mar 2007 11:43:31 -0700
  ...After pressurizing the coolant system, doing a leak down and compression test on all three I received differing numbers. The coolant system test seemed...
• Coolant draining strategy?
  Historical mailing list - gary hradek
  Fri, 22 Oct 2004 15:39:16 -0700
  ...front of the van down and with the heater loops on drain the coolant by syphon with a small hose that reaches the bottom...
• How do you purge and capture all the antifreeze?
  Historical mailing list - matt
  Wed, 6 Apr 2005 11:26:01 -0400
  ...5 gallons of water wherever the extra coolant was? Or did I miss draining another loop? How do I drain correctly next time, to...
• Re: ABA into 1.9 Vanagon was coolant overflow fears and thoughts
  Historical mailing list - raceingcajun
  Mon, 13 May 2013 10:49:29 -0500
  ...I used the endless type, and cut a 1/2 in of 1/8 copper tubing sleeve, and looped the loose end through, I...
• Re: Where is temperature sensor & why does needle drop when heater is on?
  Historical mailing list - SDF ( aka ;jim lahey' - Scott )
  Mon, 7 Sep 2015 22:00:49 -1000
  ...When you open the front heater, cold coolant > in the heater core flows to the radiator, warm coolant from the radiator > flows to the...
• Re: [Syncro] compression/vacuum/fuel pressure/O2 voltage
  Historical mailing list - Gary McEachern
  Mon, 15 Oct 2001 22:56:05 -0400
  ...disconnected causing the FI to stay open loop. Gary Gary McEachern, Reading Ma. Remove the coolant temp sensor for the ECU - does the idle...
• Re: After 3000 mi trip: 84h2o overheating, grinding gears(manual trans)
  Historical mailing list - Tim High
  Sun, 6 Jan 2002 20:51:48 -0500
  ...It is a large, long, upward coolant loop in our vans and it seems that when resistance reaches a certain point it just stops...
• Re: 2.1 Temp sender resistance values?
  Historical mailing list - Zoltan
  Tue, 9 Aug 2005 11:05:34 -0700
  ...Wha? How does alternating current come into a 12V DC system? The temp circuit is a thermistor and a gauge on a 12VDC loop.
• Re.Hego sensor Working
  Historical mailing list - Denis B\ilisle
  Sun, 08 Jun 1997 03:42:53 -0700
  ...O2 sensor question Message-ID: <Pine.ULT.3.91.970606093621.23470a-100000@scooter.cc.wwu.edu> The O2 sensor is in closed loop while...
• Silcone Coolants lines ???Re: 85 Gl Auto Tranny 5/8" Coolant Hoses to Tranny Cooler Busted-
  Historical mailing list - TC
  Thu, 31 May 2007 15:03:05 -0700
  ...when I drive in I see a trail of coolant look up and see coolant driping > on the cv joints then > I see the...
• 85 Gl Auto Tranny 5/8" Coolant Hoses to Tranny Cooler Busted-
  Historical mailing list - TC
  Thu, 31 May 2007 06:42:31 -0700
  ...I was thinking its got to some be what flexible to make the loop to get on the actual tranny cooler so real tuff...
• Flushing the Coolant System
  Historical mailing list - tabe johnson
  Fri, 15 Apr 2005 11:41:08 -0400
  ...1) Drain the radiator repeatedly 2) Add an aftermarket tee somewhere in one of the heater loops 3) Disconnect heater & rad hoses and backflush...
• Re: rear heater blowout - stranded
  Historical mailing list - Jeff Lincoln
  Mon, 24 Aug 2009 16:47:01 -0400
  ...Creating a loop so the coolant could still flow. That "repair" is still in place because a friend of mine now owns that van...