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What oil to use?

Discussion in '1st Gen. Tacomas (1995-2004)' started by ImSunshine2, Mar 7, 2016.

  1. Mar 7, 2016 at 2:27 PM
    #1
    ImSunshine2

    ImSunshine2 [OP] Active Member

    Joined:
    Feb 8, 2016
    Member:
    #177513
    Messages:
    36
    Gender:
    Female
    First Name:
    Leslie
    High desert & Southern Utah (Hurricane)
    Vehicle:
    2002 Tacoma TRD
    Hi I am a new member. I have had my 02 4WD TRD for 9 yrs. Currently 236,000 miles on it. I am hoping someone can help me. Recently I changed all the fluids, (trans, transfer case & front diff)replaced with synthetic. I'll being doing rear diff in the next couple days. I am confused as to what to use. Books say hypoid 90w, dealership doesn't even carry 90w. Do I use 75w-90 or 80w-90. I live in So. Cal so definitely above 0. Also, what about synthetic? Some say no to synthetic in the rear diff. Any advice would be greatly appreciated!!
     

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