Good discussion. Can the electric solenoid details be provided? Perhaps an alternate source can be found.

Thanks - Ron

> On May 25, 2024, at 6:26 AM, Jim Felder <jim.felder@gmail.com> wrote: > > Dennis this thread had made me think about that. Oh the Vanagon thought that inter our heads when confronted with Amazon and Banggood. The fight against satan never ends: ) > > Jim > > Sent from my iPhone > >> On May 25, 2024, at 7:23 AM, Dennis Haynes <d23haynes57@hotmail.com> wrote: >> >> If one want s to be really creative consider an electric solenoid valve to control coolant flow. Amazon ahs a number of 12 volt valves available at reasonable cost. This even allows for some automation. Add a thermostat switch. Consider for the rear heater. Turn off the flow to the rear heater until the return from the front is warm? Oh the options. >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of Alistair Bell >> Sent: Friday, May 24, 2024 10:42 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Re: Front heater never shuts off >> >> Interesting coincidence….i just got one of tencents ( intrepid overland ) heater valves with the constant bleeding feature . Air bleeding of coolant, not fingers. >> >> Haven’t installed yet. >> >> My stock valve does not stop coolant to core any more. >> >> Alistair >> >>>> On May 24, 2024, at 4:24 AM, Jim Felder <jim.felder@gmail.com> wrote: >>> >>> On the cheap(er) OEM style replacements, they will lose the ability >>> to shut off water flow no matter if they are open or closed. I went >>> through about three of those before ordering the then-$70 Gowesty >>> upgrade valve and installing it. Even then it failed after two years >>> but they sent me a free replacement. That has been about twelve years >>> and no problem with the valve, just the cable-kink service Dennis describes one time. >>> >>> The swap out operation is almost trivial. Don’t try to work with your >>> hands up in the valve cavity lying on your back. Drop the glovebox and >>> remove the two heater hose connections from the heater core. Pinch off >>> the hoses with harbor freight hose clamps so you don’t lose coolant. >>> Lower the whole valve assembly to the driveway and work on it there, >>> then draw the hoses back up and reconnect to the heater core. >>> >>> Jim >>> >>>> On Fri, May 24, 2024 at 6:12 AM Dennis Haynes >>>> <d23haynes57@hotmail.com> >>>> wrote: >>>> >>>> First place to look is at the cable. Common for it to kink at the >>>> lever end. Easy to service after pulling instrument cluster. >>>> Only reason to replace valve is if it is frozen to the point it >>>> cannot move or it leaks. If it moves, it will close as best it can >>>> unless the guts were melted. >>>> >>>> Dennis >>>> >>>> >>>> -----Original Message----- >>>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of >>>> ron johnson >>>> Sent: Thursday, May 23, 2024 10:03 PM >>>> To: vanagon@GERRY.VANAGON.COM >>>> Subject: Front heater never shuts off >>>> >>>> My 91 is so uncomfortable in the summer. >>>> Heat pours out of the dash with the heat control fully off. >>>> Recommendations mostly point to replacing the control valve which is >>>> a difficult process. Howes sells a deluxe unit for $90….. >>>> Can a shut-off valve be installed in an easier to access location. >>>> >>>> Many Thanks, >>>> Ron J >>>> Portland, OR >>>> 91 Weekender, ‘Betsy’ >>>>