Originally posted by fastcougar:
I for one think that the truth lies somewhere in the middle. I'm leaning toward the "stock lube breakdown over 100+K miles" theory.




Stock lube is not going to gum up not matter how old. It will break down and lose most of it's good lubricating properties but it's not going to block the slots in the diff. pine that urgently need lube in order for the planet gears to rotate.


-'96 SE MTX 3L -'98 SVT 1,173 of 6,535 -'05 Mazda 6s, loaded, g/f's ride -Need a 96-00 manual on CD? PM or email me