last week or so my 08 clio 197 has been starting to crunch in 4th gear when going either up or do the box, am i correct in saying so this the snycro mesh in 4th gone i believe so.secondly i bought the car 5 months ago from evan halshaw renault and got a 12 month warrenty with car and reading through parts not covered are gearbox any help or ideas where i stand with this as ive been reading it is a issue with the clio 197 gearbox and not normal wear and tear with a car of 56k miles on.