I get the idea that Land Rover Series vehicles are "supposed to be" noisy but just how noisy? I can live with the noises mine makes EXCEPT when I put it into 4th gear and a horrible whine appears to come from the gearbox. Is this "normal" and is this the noise for which Series LR's are famous? Or have I just got a knackered gearbox?

If you're ears don't bleed it's not a Landy!

Seriously though, 4th shouldn't be any noisier than the other gears. So it sounds like you may have a developing gearbox problem. Having said that though, every one is different!

I used to run a series 3 that made all sorts of nasty gearbox noises but it never failed so I wouldnt worry about it too much just yet!