Thread: Leaking Oil Pan
View Single Post
Old 07-16-2018, 10:04 AM   #27
JerTM

 
JerTM's Avatar
 
Drives: 2011 2SS/RS M6
Join Date: Oct 2015
Location: Utah
Posts: 1,940
Quote:
Originally Posted by Rock-It Man View Post
Aluminum castings can have significant porosity. But this is supposed to be detected and repaired with welding before the cast part even gets to machining. A silicone repair can only be considered temporary.

Oh well.
I agree completely, the engines that developed the leak in the casting should have been replaced. But GM warranty only wants the least expensive repair.
JerTM is offline   Reply With Quote