[AT] RE: Rust scales in block - Help???

Andy Glines andyglines at hotmail.com
Wed Oct 27 08:20:58 PDT 2004


>>Subject: [AT] RE: [AJD] Rust scales in block - Help???
>Message-ID: <000001c4bb00$9cd18f30$6204490c at DeanOffice>
>Content-Type: text/plain;	charset="us-ascii"
>
>Ok, thanks for all the various suggestions. Here is what I tried. First I
>drained the whole system and left the head drain plug out.  First draining
>nothing much came out. Then I used a high pressure nozzle on a water hose
>and directed it all cavities that I could detect. That knocked so much 
>stuff
>loose it plugged the drain. Cleaned that out and did it several times. Then
>took a normal hose end and plugged it into the drain plug hole and forced
>water backwards. That loosened up a bunch more. Repeated action seems to
>have gotten most of it. God only knows if there is a large piece still in
>there. The large pieces do seem to break up under water pressure.
>
>Tomorrow I'm going to make a temporary plate for the block inlet and see if
>I can use air pressure and/or water to force stuff backwards up through the
>radiator cores.  I can reach up into and feel some of the top of the
>radiator cores through the radiator pipe upper inlet that I have off. There
>is/was all kinds of junk in the top radiator tank too. I suspect a few of
>the cores have junk in them.
>
>I have never seen a cooling system this scaled/rusted up before.  I wonder
>if the PO never used antifreeze in this thing.
>
>BTW: I did use a small magnet with a telescoping handle before I did
>anything else. That picked up a bunch of the junk where ever I could get it
>into. I didn't realize how much ferrous metal is contained in rust scale.
>
>I think some more flushing and I will have most of the crap out of this
>system. Will check with the local auto parts stores and see if they have 
>any
>additive that dissolves rust scale. Thanks again for all the help.
>
>Dean A. Van Peursem
>Snohomish, WA 98290
>
>I'm a walking storeroom of facts..... I've just lost the key to the
>storeroom door
>
>
>www.deerelegacy.com
>
>http://members.cox.net/classicweb/email.htm
>
This would be a good application for you shop vac.  You might need to make 
some special attachments to get down in there.  I would think twice before 
putting rust disolving chemical in the system.  It could disolve rust that 
is keeping it from leaking.

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