XC90 i guess you are confused with the gearbox you need a 17 to take the sump bolt ( 1 washer needed) and a pan for the oil ..it will came out around 3,2 Liters ( i guess)
Put back what ever comes out
here is an example..you dont need the pump just a funnel....
https://www.youtube.com/watch?v=a8482SiEPoE