Dat Drain Plug

["Al Powell" <apowell@agcom.tamu.edu>]

Craig asked:

Date: Fri, 24 Apr 1998 17:18:26 -0400
From: "Craig D. Niederst" <niederst@telerama.com>
Subject: copper crush washer vs aluminum

 I remember a while back that a lister mentioned aluminum washers 
were detrimental due to the metal types not being compatible (i.e. 
oil pan metal and aluminum). I have already installed the new washer, 
and changed the oil. Was this a mistake to use the aluminum washer? 
TIA.

Craig, I believe the concern was galvanic corrosion, common when 
aluminum and steel are cinched up together.  However, with a bit of 
oil tossed in the mix as an insulating and anti-corrosion agent, I 
seriously doubt there would be enough action to matter. Others will 
doubtless also offer opinions....
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Al Powell, PhD             Ph:  409/845-2807
Ag Communications          Fax: 409/862-1202
Texas A&M University
http://agcomwww.tamu.edu/agcom/satellit/alpage.htm
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