Oj02

Hi got a 20-12 ford galaxy manual 2014 having issue with second gear like snapping or falling out of the gear unless held onto but not doing it going up gears just down from third to second?? and at slow speeds ???? can anyone help please 🙏

Can anyone help please 🙏

Mine is snapping while changing into second from third been told it could be a plastic cog inside the gearbox or low transmission fluid????