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Date:         Wed, 13 Jul 2005 09:20:05 -0700
Reply-To:     gary hradek <hradek@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         gary hradek <hradek@YAHOO.COM>
Subject:      Citric Acid Radiator Fix
Comments: cc: xtabe@YAHOO.COM
Content-Type: text/plain; charset=iso-8859-1

tabe, Make sure you have a few buck in case you need to visit http://busdepot.com/details.jsp?partnumber=068121253E Citric acid can be purchased at a hardware store and it a weak acid so it may eat your radiator if it is in bad shape. It is a way of forcing you to buy what you really need, a new radiator. But if your radiator is just plugged and in good shape than dissonnect the two big pipes at the engine end and force hot water through the pipes under pressure. Both directions. Plug the ends of the hose and introduce the magic citiric acid by way of the radiator bleeder. Allow to cook for a week. Repeat the hot water flush. I also suggest the orange coolant because it is organic based and I find it has somewhat of a detergent effect. The citric acid will either help or make your radiator leak. keep it cool, gary Date: Wed, 13 Jul 2005 00:31:42 -0400 From: tabe johnson <xtabe@YAHOO.COM> Subject: Citric Acid Radiator Fix

Yes, summer is here (finally!) and we can have the annual overheating and air conditioning discussions; in the winter we can talk about snow tires, hard starting, and blowing oil cooler O-rings.

Count me in for the overheating! (I'll be getting my pyrometer in the mail any day now so I can see what's going on with my system.)

So, 500g of Citric Acid in 1 gallon of water will do... what? (I'm not doubting, just asking) Does the water come out all icky and black or what?

I was trying to figure out a quantitative way of measuring how clogged a radiator is. The only thing I could come up with was filling a radiator with water, then dumping it out and seeing how long it takes. Anyone have a better idea?

tabe johnson/87 westy

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