I think my gearbox may be dead and ive been quoted £395 plus vat which i dont really have just at the moment so i thought id try an oil change to see if that helps first. Only thing is i dont know how to do it

. I assume its easy enough once up on axel stands. What do i need to do and what oil should i use.as much detail as poss plz im a bit of a noob to this getting my hands dirty merlarky. cheers