MTL 70W80 GL-4 Gear Oil / Manual Transmission
I did some work on my 2002 x-truck and wanted to change my manual transmission fluid to Redline MT90. Long story short, my mechanic put MTL 70W80 into my manual transmission.
Is this bad? Do I need to replace my fluid? I dont know what to do...
Last edited by sphonaut; 01-24-2013 at 11:53 PM.