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Date:         Mon, 5 Apr 2010 05:48:56 -0500
Reply-To:     Michael Sullivan <sandwichhead@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Michael Sullivan <sandwichhead@GMAIL.COM>
Subject:      Re: Archive not. Re: Radiator flush
Comments: To: Mike <mbucchino@charter.net>
In-Reply-To:  <AE5F2DA9FD2F4049BFAFA89D4028EF3E@MIKELAPTOP>
Content-Type: text/plain; charset=ISO-8859-1

I disagree. The cost for flush and test is close to the cost for a new one. Wouldn't hurt to try to clean it and then order a new if that fails. I tried to get my Suburban radiator services a couple of years agao, and was quoted 187.00. I could get a new one for 213.00. Used to be around 50-60 for a radiator flush, test, and reinstall. Personally, if I could source a new on for the 150.00 quoted previously, I would go that route and save the time. This is a 20+ year old part after all. Just my .02. no need to agree with me...my wife nver does. :-) Michael in San Antonio 91GL AT 'Gringo' 73 Beetle

On Mon, Apr 5, 2010 at 4:41 AM, Mike <mbucchino@charter.net> wrote:

> I don't see why you don't just take it out and send it to a radiator shop. > That's what they do. It's not expensive, and they'll repair any holes that > this process can uncover, and then pressure test for leaks. > Some things are best left to the professionals, and this is one of them. > > Mike B. > ----- Original Message ----- > From: Janne Ruohomäki > To: vanagon@GERRY.VANAGON.COM > Sent: Monday, April 05, 2010 5:08 AM > Subject: Re: Archive not. Re: Radiator flush > > > Sorry for not so exact answer but.. > > Citric acid can probably eat some of the aluminum if solution is of > very high concentration. That being said, I do not think that You > would be able to do damage to Your radiator very easily with citric > acid alone. It can etch the aluminum. Etced aluminum will look dark. > Just etching does not damage the aluminum (well, it does but not > significantly), but at that point You have already solution strong > enough to change the composition of non-corroded aluminum. Different > acids have different properties with metals, but generally oxidized > metals You want to remove here are more actively reacting with acids > than the healthy metal itself. > > The radiator should probably be cleaned with some cleaning detergent > in order to allow citric acid to contact the inner surfaces of the > radiator. Oil for example on the surface will prevent citric acid from > doing the magic. Some commercial products meant for this probably have > cleaning detergent already in addition to acid itself. I like my acid > and soap separately. > > And do stay on mild acids when working with aluminum. With stronger > acids You wont be able to find Your radiator anymore. > > On Mon, Apr 5, 2010 at 12:39 AM, Zolly <zolo@foxinternet.net> wrote: > > Finally an answer. The only one. Thanks Doug. OK, what dilution ratio > > shell I use? How good is it with the aluminum? > > Zoltan > > > > ----- Original Message ----- > > From: "Doug" <vanagons@cox.net> > > To: "Zolly" <zolo@FOXINTERNET.NET> > > Cc: <vanagon@GERRY.VANAGON.COM> > > Sent: Sunday, April 04, 2010 1:11 PM > > Subject: Re: Archive not. Re: Radiator flush > > > > > >> Zolts, > >> Diluted Citric Acid soak (12-24 hrs), rinse, repeat if desired. > >> Happy Holidays! > >> > >> Zolly wrote: > >>> > >>> If you go through, but don't, the archive postings, you will see that > >>> none > >>> of them has an answer. IMHO the archive is not useful. Especially if > >>> you > >>> go by the Subjet line. Because by using the Subject line, the > discussion > >>> always changes to all kind of topics that are not related to it. And > >>> this > >>> time is not different. That is why I can't spend days to go through > the > >>> archive postings to find a slightly related answer that is totally > >>> useless > >>> anyway. > >>> But I know, there is a solution to it, if not any other way than the > >>> one I > >>> will invent. > >>> Keep on looking for a better way. > >>> Zoltan > >>> > >>> ----- Original Message ----- > >>> From: "Bob Stevens" <mtbiker62@GMAIL.COM> > >>> To: <vanagon@GERRY.VANAGON.COM> > >>> Sent: Sunday, April 04, 2010 9:17 AM > >>> Subject: Re: Radiator flush > >>> > >>> > >>>> > >>>> > http://gerry.vanagon.com/cgi-bin/wa.exe?S2=vanagon&L=vanagon&q=radiator+flush&s=radiator+flush&f=&a=January+2001&b=1+December+08 > >>>> > >>>> > >>>> On Sun, Apr 4, 2010 at 10:06 AM, Zoltan <thewestyman@gmail.com> > wrote: > >>>> > >>>>> I don't remember seeing a posting about how to flush a radiator to > get > >>>>> out > >>>>> all the deposits. And what kind of liquid to use to free the > deposits > >>>>> up. > >>>>> I can hook up a separate pump with two different hoses to it, so > only > >>>>> the > >>>>> radiator would be involved. Do I need a certain pressure to push > >>>>> out the > >>>>> dirt? Do I need to do it both direction? > >>>>> Anyone know anything about this kind of work? Do I need a filter > with > >>>>> flush like that? > >>>>> I have tried to hook up the garden hose, but other than the water > going > >>>>> through freely, I did not achive any positive result. > >>>>> Maybe I have to soak it with some liquid inside for a day to lift > the > >>>>> deposits, then flush? > >>>>> Zoltan > >>>>> > >>> > >>> > >>> > >>> > -------------------------------------------------------------------------------- > >>> > >>> > >>> > >>> > >>> No virus found in this incoming message. > >>> Checked by AVG - www.avg.com > >>> Version: 8.5.437 / Virus Database: 271.1.1/2790 - Release Date: > 04/04/10 > >>> 13:31:00 > >>> > > > > > > > -------------------------------------------------------------------------------- > > > > > > > > No virus found in this incoming message. > > Checked by AVG - www.avg.com > > Version: 8.5.437 / Virus Database: 271.1.1/2790 - Release Date: 04/04/10 > > 13:31:00 > > >


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