Thanks, Hawaii - really useful stuff! Can't find the Land Rover one anywhere (out of stock at Rimmer Bros parts and nothing on internet searches) but there are second hand ones for the P38 on ebay so will go for one of them.

Thanks both of you - I can actually see the sensor behind the little grille now. I'm off to hunt on ebay! I also second the love for the dog's expression!

Hi, I've got a 2004 V8 Disco 2, LHD, which I love to bits and generally runs beautifully. I live in Saudi so the A/C is obviously very important. There is a small fan behind a small grille thing on the dash next to the steering column (see pic) which makes a really irritating buzzing...