

| Subject: | Re: metal coolant bottles Friday thoughts. |
| From: | David McNeely |
| Date: | Tue, 25 Apr 2023 07:38:43 -0700 |
Haven't yet had time to deal with Van Cafe on this matter. Will try a bit later today when I have more time. On Tue, Apr 25, 2023 at 6:25 AM Eric Caron <ericcaron96@comcast.net> wrote: > Hi David, > > I can’t speak to your particular issue with the VC site. It may > be it is shipped from somewhere else? > > But, the VC site has caused me some difficulty lately. A couple weeks ago > I ordered a product only they have. It was 89$. I put it in the cart on > Friday evening. > > On Saturday or maybe Sunday after receiving a couple reminder > emails from VC to finish check out I went to the site to add a few small > items and found my $89 item was now $130. > > > I had several emails with VC support with them mostly saying > nothing they could do. I persisted as I was rather upset and ultimately > they did honor the price and free shipping. > > Things there seem like they are getting resolved with some bumps. > > I like the free shipping, but I suspect the prices are going up to fill it > in. > > My last purchases at other venders had better then expected > shipping costs. Only exception is drop ship items. > > Eric Caron > > > > On Apr 25, 2023, at 1:00 AM, David McNeely <davmcneely40@GMAIL.COM> > wrote: > > > > Well, I ordered the GW bottle. Seems to be a toss up re which one is > > better. Sure seems like a lot of money, but everyone seems to think the > > plastic bottles are pretty much crap now. Spending a lot on this camper > to > > get it up to the travels I hope to put on it this summer. > > > > BTW, I also placed an order with Van Cafe, and was charged shipping. > So, I > > cancelled and will check with them tomorrow. Their web site says no > > shipping charge ever. Does anyone know what's going on? > > > > On Fri, Apr 21, 2023 at 8:32 PM Eric Caron <ericcaron96@comcast.net> > wrote: > > > >> Wow! > >> > >> Very helpful info. This makes it clear which one I would get when the > >> time comes. > >> > >> And, without this I would have likely chosen the wrong one. > >> > >> One comment on price. The VC option would now have free shipping so > that > >> might make the cost closer to the GW version. > >> > >> The ability to update from 1.9 to 2.1 system would be my deciding > factor. > >> The sensor also sounds like a better choice to me. > >> But, for you sighted folks that window in the GW one would be nice. > >> Eric Caron > >> > >> > >> Eric Caron > >> > >> > >> > >>> On Apr 21, 2023, at 6:53 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> > >> wrote: > >>> > >>> Yes we made it to Friday. Yea! > >>> Regarding the original plastic pressure tanks one needs to consider how > >> important it is to the Vanagon cooling system and the ways in which they > >> fail. Not only do they just hold coolant but the design is such that it > >> ensures coolant is available to the suction side of the pump avoiding > air > >> entrapment or a vortex. In addition it provides a place for dirt and > other > >> debris to settle out. Both aftermarket tanks may not do this as well. > >>> > >>> Regarding failure yes they usually fail somewhat slowly and have some > >> warning. However I have seen the center seem suddenly fail, the top > swell > >> over, the threads distort enough for the cap to separate. In addition to > >> the tank itself the pressure cap is also a high failure item due both > >> design and quality. Being almost all plastic it is also damaged by > >> excessive heat and pressure overtime and really the only way to know if > it > >> is good is to test it. The Metal tanks address both the tank and cap > >> concerns. While many have older tanks that may still be good I would > >> suspect that some of these tanks are also in use on vehicles with > cooling > >> systems that are not working properly and holding pressure. The newer > tanks > >> are also of such poor materials that there use has some risk, along with > >> the pressure caps. > >>> > >>> So now for the 2 most common replacement choices. I have used the Van > >> café and GoWesty. Both are good. Here are the major differences. > >>> > >>> The Van Café has been around the longest. The good is that the level > >> sensor just requires a single wire connection and the fittings are > >> threaded, replaceable. This is nice if you get a tank for a 1.9L and > then > >> later upgrade the cooling system to the 2.1L design. It also gives some > >> flexibility if you want to some modifications such as gauge ports or > add a > >> coolant filter. For the bad there is no way to see the coolant level > >> without opening the cap, the screw for the sensor wire connection tends > to > >> loosen, and there shroud around the sensor probe. The splash from the > >> coolant entering the tank can satisfy the sensor system so you may geta > >> delayed indication that coolant is being lost or that a head or gasket > >> problem is pushing the coolant out of the tank. > >>> > >>> The GoWesty tank has slight cost advantage, and uses the stock level > >> sensor probe. The probe is shrouded like the original so the warning > system > >> should work the same. The sight glass is beneficial as you can see if > the > >> level is dropping without removing the cap. You can also view this from > the > >> license plate door. The bad is that sometimes the plastic sensor probes > >> leak or even crack and the plug connection is sometimes a problem. > Broken > >> and corroded wires or the crimps-pins can cause some grief. Also, the > hose > >> fittings are not replaceable. So if you buy for a 1.9L, and later > upgrade > >> you will need to also upgrade the tank. > >>> > >>> Amongst the benefits of the metal tanks is the use of a standard > >> pressure cap. The cap design is easily inspected and both the system > and > >> cap can now be tested with equipment that any shop, anywhere should > have. > >> Also, there is now choice of pressure cap settings. For the Vanagon > there > >> is no reason that anything higher than12 psi is needed. As the system is > >> designed to have a solid liquid fill the pressure cap is not just for > >> safety, it is actually a control device dealing with the liquid > expansion > >> every time part of the cooling system increases in temperature and > allowing > >> for coolant return as any part of the system cools. The operation of > this > >> cap is also the final auto bleed for the system which is why the tank is > >> plumbed so close to the suction side of the pump. > >>> > >>> Due to some design features of the engine having the system always > >> pressurized is critical for heat transfer at the top of the cylinder > >> sleeves and avoiding cavitation erosion of the sleeves and studs. While > the > >> gauge gives an indication of the bulk coolant temperature many parts get > >> much hotter and having the coolant vaporize or flash of these parts is > >> similar to having a pot on a stove go dry with the burner still on. > >> Aluminum and gaskets do not take this well. This should be considered > when > >> postponing needed repairs. > >>> > >>> > >>> Dennis > >>> > >>> > >>> > >>> > >>> -----Original Message----- > >>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of > >> David McNeely > >>> Sent: Thursday, April 20, 2023 11:36 PM > >>> To: vanagon@GERRY.VANAGON.COM > >>> Subject: Re: metal coolant bottles > >>> > >>> BTW, my current plastic bottle is 14 yo, so what do I want? I probably > >> won't even be alive in 14 more years, and despite the scare verbage on > the > >> GoWesty site, I don't think the bottles actually fail suddenly. Rather, > >> they get a small crack that grows over time. At least that's what > happened > >> with mine, and monitoring it has worked. I WILL replace it, but with > which > >> tank? > >>> > >>> On Thu, Apr 20, 2023 at 8:04 PM Alistair Bell < > >> ragnarhairybreeks@icloud.com> > >>> wrote: > >>> > >>>> Dave > >>>> > >>>> I’d have no issue with either except I wonder, with no evidence or > >>>> experience, abiut the level Sender in each unit. > >>>> My first reply was reheat by list serv > >>>> > >>>> Anyway , that’s my only unknown > >>>> > >>>> Ab > >>>> > >>>> > >>>> > >>>> On Apr 20, 2023, at 7:54 PM, David McNeely <davmcneely40@gmail.com> > >> wrote: > >>>> > >>>> > >>>> Oh, I have no doubt that the people who make them are charging > >>>> properly for what they've put into them. It is just a lot of money, > >>>> especially compared to the plastic ones. BTW, my local mechanic says > >>>> go with the plastic. But mine now has a slight crack at the neck, as > >>>> well as the cap not fitting properly any longer (cap threads a bit > >>>> askew). It is the German cap, too. > >>>> > >>>> But my question now is, which aluminum tank? mcneely > >>>> > >>>> On Thu, Apr 20, 2023 at 6:49 PM Alistair Bell < > >>>> ragnarhairybreeks@icloud.com> wrote: > >>>> > >>>>> Dave, all I can say that despite the price those tanks are a good > deal. > >>>>> You’d be hard pressed to find anyone good to make them less > >> expensively . > >>>>> > >>>>> Ab > >>>>> > >>>>>> On Apr 20, 2023, at 6:07 PM, David McNeely <davmcneely40@gmail.com> > >>>>> wrote: > >>>>>> > >>>>>> Ok, so I may be ready to take the plunge and spend an ungodly > >>>>>> amount of money for a metal coolant expansion bottle. GoWesty, Van > >>>>>> Cafe? Which > >>>>> is > >>>>>> better and why? I like that the GoWesty bottle has a sight glass, > >>>>>> but > >>>>> then > >>>>>> the original plastic ones can't be seen without opening the engine > >>>>>> compartment, and that seemed to be ok. I have read that the GoWesty > >>>>> bottle > >>>>>> can fail at the sensor port just like the plastic ones. Is that > true? > >>>>> Are > >>>>>> there any others available. mcneely > >>>>> > >>>> > >> > >
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