Volvo V70 Transmission Flush. DIY Transmission fluid change

V70/S60/S80 Geartronic 5 speeds using the Aisin Warner 55-50 SN Transmission. Oil Spec JWS 3309 Raise vehicle. Remove Undertray. Release Drain plug - allow to drain. Refit plug with new washer. Add amount drained through DIPSTICK TUBE ONLY. Refit under tray when happy with level. To continue to flush method: Squeeze green clip tags to release upper transmission oil cooler hose. Fit extraction tube - feed to container. Run engine. Drain approx 2 litres per engine run event. Replenish oil between each engine run event. Continue until exit oil is clean. To drain and refill - approx 2 - 4 Litres. To flush and fill - approx 12 - 16 Litres.