Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: Notesfiles $Revision: 1.7.0.8 $; site convex
Path: utzoo!watmath!clyde!cbosgd!ihnp4!inuxc!pur-ee!uiucdcs!convex!tmorris
From: tmorris@convex.UUCP
Newsgroups: net.auto
Subject: Re: Fluid leak from tailpipe
Message-ID: <82600023@convex>
Date: Thu, 3-Oct-85 13:53:00 EDT
Article-I.D.: convex.82600023
Posted: Thu Oct  3 13:53:00 1985
Date-Received: Sat, 5-Oct-85 06:28:31 EDT
References: <640@decwrl.UUCP>
Lines: 39
Nf-ID: #R:decwrl.UUCP:-64000:convex:82600023:000:1642
Nf-From: convex.UUCP!tmorris    Oct  3 12:53:00 1985


	A far cheaper method to test it is to use an exhaust detector on it.
This handy gadget uses a fluid that changes color upon contact with exhaust
gases . The radiator cap is opened with the engine running , and a rubber
bulb on the detector squeezed as it is held over the open radiator. The 
steam and fumes from the radiator are bubbled thru the fluid and if exhaust
gas is encountered , it will change color . If the head , block or head
gasket are the point leaking , you can bet there will be exhaust in the 
coolant , as the pressure on the exhaust in the cylinder will exceed the
pressure on the coolant by at least 10:1 during the firing of the cylinder.
	Also , many times a leaking intake manifold gasket will pass coolant,
and quite a few are misdiagnosed as a head gasket or head. The sad part is 
that the poor guy replaces the head or gasket on that side , an of course
he pulls the intake off to do the repair.So when it goes back together it's
fixed by the new gaskets , but it could have been fixed a lot simpler.
	Finally , as the pollution controls , especially the catalytic 
converters get better , the hydrocarbon fuel will be more fully broken down
to it's less harmful byproducts , carbon dioxide and water. Thats why newer
cars pour so much water out the tailpipe!








                       ___________
                      /          /
       --------------/          /----------------
      / Terry Morris@convex General disclaimer  /
     /ihnp4!inuxc!pur-ee!uiucdcs!convex!tmorris/
    /_____________            ________________/ 
                 /          /
                /__________/



             


Brought to you by Super Global Mega Corp .com