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Oil Plug Leak 850 1996

posted by  someone claiming to be Greg N on  Wed Jan 23 05:47 CST 2002 [RELATED]

It is true that dissimilar metals can produce electochemical corrosion. But I believe that the principal reason for using aluminum washers is that they are softer and don't have to be torqued as much in order to deform. This protects the threads on the aluminum oil pans the 850/S70's have. Copper washers are commonly used with steel oil pans like I think older Volvos have.






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Oil Plug Leak [850][1997]
posted by  someone claiming to be Sundeac  on Tue Jan 22 07:26 CST 2002 >


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