Hi, I've just bought this car as some of you know and I'm trying to make sure everything is perfect which is why I'm asking so many questions. When I put it in gear after a 5 mile drive on a hot day, the gears feel like they 'Spin' when I put it in, especially in third gear. 5th and 6th seem occasionally crunchy too. I've got Warranty until October on this car and I've spoken to Renault and they said they will replace the gearbox if it persists. Should I push for this?