[C320-list] Antifreeze change

[Crosby Roper]

Thanks for all the input. I'll  have a run at it and will use Orlando's suggestion as my fallback option. Hope everyone had a great thanksgiving!
 
Crosby Roper
Tethys Hull # 1054



> Date: Sun, 25 Nov 2007 15:33:11 -0800> From: rod.boer1 at verizon.net> To: c320-list at catalina320.com> Subject: Re: [C320-list] Antifreeze change> > Allan,> > I pretty much do the same thing. While I use the new extended life Prestone > that mixes with all types of the antifreeze, I typically drain a gallon in > the fall and add a gallon of new antifreeze.> > Rod Boer> Odyssey, #688> > ----- Original Message ----- > From: "Allan Field" <Allan.Field at comcast.net>> To: "'C320-List'" <c320-list at catalina320.com>> Sent: Sunday, November 25, 2007 6:23 AM> Subject: Re: [C320-list] Antifreeze change> > > Crosby - Following is a note from my archives on changing coolant. One> variation I use is that I drain the old coolant into a bucket and before> properly disposing of the old stuff, mark on the bucket a line that shows> how much came out. I then refill the bucket with the same amount of> pre-mixed coolant and dump that back in. I don't blow out lines and run a> fresh water rinse but I do change the coolant each season. By doing so> annually, I figure I get enough coolant turnover to keep things clean and,> since doing it this way, have never had an airlock. Hope this helps.> > Allan S. Field> Sea Shadow - #808> Columbia, MD 21046> > If I remember correctly:> 1. Take off the filler cap on the heat exchanger.> 2. There are two drain petcocks, one on each side of the block, that have> knurled plastic knobs. When they are opened (CCW) coolant should flow out.> There is also at least one thingy that looks like a small ball valve (on my> engine it has a clear drain hose attached to it) but this drains the sea> water side of the heat exchanger.> 3. Empty the overflow bottle.> 4. Detach both hoses that run to the hot water heater and blow out the> coolant.> > My experience was that some coolant remains in the block after the initial> drain. I flushed the engine twice by refilling with plain fresh water,> running for a few minutes, and draining again. The second flush looked a lot> cleaner.> > Refilling with fresh coolant (I used the prediluted variety) took somewhat> over a gallon. I found it helpful to prefill the loop out to the hot water> heater to cut down on any airlocks. After the initial restart, it will need> topping off; I then ran it up to temperature to be sure the thermostat had> opened and the fluid level had stabilized.> > For what it's worth, my engine (1998 Euro model) was filled with regular> green coolant. I seriously considered changing to the newer long-life orange> coolant but dropped the idea when the local mechanic at Parker's cautioned> that you have to remove ALL traces of the green stuff. He said that if any> remains, it will cause the orange stuff to form a gel. Although newer> engines are factory filled with orange he recommended staying with green in> my case.> > David F. Eusden> C320 #581 "Eiderdown"> > -----Original Message-----> From: c320-list-bounces at catalina320.org> [mailto:c320-list-bounces at catalina320.com] On Behalf Of Crosby Roper> Sent: Saturday, November 24, 2007 6:18 PM> To: c320-list at catalina320.org> Subject: [C320-list] Antifreeze change> > Hi All,> > While everyone in the northeast is tucking their 320's in for the winter,> I'm hoping someone can give me some direction on changing the antifreeze in> my Yanmar YM30. It's been about 18 months since it was last done by the> dealer tech and I don't have any idea where to start. Any help would be> appreciated.> > Thanks> > Crosby Roper> Tethys # 1054> _________________________________________________________________> Put your friends on the big screen with Windows VistaR + Windows LiveT.> http://www.microsoft.com/windows/shop/specialoffers.mspx?ocid=TXT_TAGLM_CPC_> MediaCtr_bigscreen_102007> > > 
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