This type of transmission has a problem with the idler gears at the rear of the gearbox,theres 3 big nut,s 30mm,these come undone on there own unfortuneatly causing lots of noise and also lots of damage inside the gearbox if left like they are.
There is new modifide nuts available to fix the problem.
Richard
rbtransmissions@aol.com
richard
March 2006