synthetic gear oil

  1. CoconutMilkFrog

    75W140 in a RWD 96 3.0L?

    I have a 96 3.0L RWD; I recently did a gear oil drain and fill. I used 75W140 Valvoline. Any issues using that over the lighter oils? Thanks!

  2. 1998 Ranger axle oil updated to 75W-140?

    1998 2.5 2WD XLT STD Cab 130k miles Have driven this lil'capo since 69k miles. Pulled the axle plug out and found still very clean oil. Question is should I still change it considering the miles & age? In the past while cursory browsing had seen something about an updated Ford bulletin that...
    • Jay11
    • Thread
    • 75w-140 75w140 api gl-5 axle synthetic gear oil ultra1plus
    • Replies: 13
    • Forum: Axles Forum

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