Thanks for your replies, I will get my repairer to check these things, its gone beyond my skill level !

Hello, I have an 03 Freelander V6 auto with 130k on the clock and gearbox problems. After about 10 miles driving, when changing up from 3rd to 4th (either full auto or semi-auto) it seems to slip into neutral and then it goes haywire, changing into all sorts of gears. Sometimes an 'F' appears on...