Return-Path: Received: from out009.verizon.net ([206.46.170.131] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3073956 for flyrotary@lancaironline.net; Thu, 11 Mar 2004 09:01:52 -0500 Received: from netzero.net ([4.12.145.173]) by out009.verizon.net (InterMail vM.5.01.06.06 201-253-122-130-106-20030910) with ESMTP id <20040311140152.BDDR29216.out009.verizon.net@netzero.net> for ; Thu, 11 Mar 2004 08:01:52 -0600 Message-ID: <4050714F.9000501@netzero.net> Date: Thu, 11 Mar 2004 09:01:51 -0500 From: Finn Lassen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax; PROMO) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Pin Hole Coolant Leak References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------090301070007070405070202" X-Authentication-Info: Submitted using SMTP AUTH at out009.verizon.net from [4.12.145.173] at Thu, 11 Mar 2004 08:01:51 -0600 This is a multi-part message in MIME format. --------------090301070007070405070202 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit JB Weld. 1) Drain the system so that coolant level is well below leak points. 2) Dry and clean with alcohol or acetone 3) Hook up a vacumn pump (vacumn cleaner, or some other vacumn pump) to the system 4) Mix and apply JB Weld. The idea is to get the JB Weld to flow into the pin holes. Others have had good luck sealing leaks in fuel tanks using green (?) Locktite. Good luck! Finn David Leonard wrote: >Today I discovered several pin-hole leaks in my cooling system (one drop every several minutes). They are coming from a weld on the water pump housing. > >Please tell me someone knows a good way to seal such leaks. A re-weld would probably require removing the entire engine :< > >I also made the first attempted start today. Turns out I have no spark... Guess I won`t be the first to go down that road. I connected the signal from the CAS in parallel with the engine monitor. That connection will be the first to go. > >Dave Leonard > > > > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html >>> >>> > > > > --------------090301070007070405070202 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit JB Weld.
1) Drain the system so that coolant level is well below leak points.
2) Dry and clean with alcohol or acetone
3) Hook up a vacumn pump (vacumn cleaner, or some other vacumn pump) to the system
4) Mix and apply JB Weld.

The idea is to get the JB Weld to flow into the pin holes.

Others have had good luck sealing leaks in fuel tanks using green (?) Locktite.

Good luck!

Finn

David Leonard wrote:

Today I discovered several pin-hole leaks in my cooling system (one drop every several minutes).  They are coming from a weld on the water pump housing.

Please tell me someone knows a good way to seal such leaks.  A re-weld would probably require removing the entire engine  :<

I also made the first attempted start today.  Turns out I have no spark...   Guess I won`t be the first to go down that road.  I connected the signal from the CAS in parallel with the engine monitor.  That connection will be the first to go.

Dave Leonard

 Homepage:  http://www.flyrotary.com/
 Archive:   http://lancaironline.net/lists/flyrotary/List.html

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