MG41 – Oiling Up the Differential August 30, 2009 I clean the MG’s rear differential up and throw in some new gear oil. Tagged: differential, MG, rear axle Related posts: MG 36 – Travis’s Sandblasting Booth Top Gear MGB Buying Guide MG 13 – Craiglist Air Cleaners MG 37 – MGB Rear Shock Absorber Rebuild