XC90 Transfer Box & Rear Diff Fluid Change
Angle Gear Chain Drive Fluid: Volvo P/N: 1161745 [API GL-4 75W-80]
Bevel Gear Fluid (Front Angle Gear): Volvo P/N: 31259380 [API GL-5 75W-90]
Haldex Fluid (Contraption In Front of Rear Axle): [unsure on P/N]
Rear Differential (Rear Axle Housing): Volvo P/N: 1161620 [API GL-5 80W]