Gearbox Oil change

Hi guys

Does anyone know if the gearbox oil can be changed. Some people say it is a sealed unit and cannot be done.

Thanks

It meant to be sealed for the life of the car, but it can be changed if you want to.

Thanks for the reply. Is it something advisbale to change or will there be problems

If there is no reason to then I'd leave it, I know of some that are on 150k + with original oil.

Only thing i want to change it for is beacuse the gear box feels a bit notchy. Not as smotth as i would hope. Has any one had this done