hi guys i drive a 06 fx4 screw. i know my truck uses 75w140 rear axle lubricant synthetic but the thing is i canīt find it here in my country, however the one that use in the front which is 75w90 i found it, my question is can i use this lubricant in my rear axle? or can i mixed it. Apreciated your help guys

 

Not a good idea, but it will work. Make sure it's synthetic, and if you have limited slip, it has to have friction modifier.