you hav'nt said if its manual or auto but electric fans should clear this problem if every thing has been checked try a pressure test to see if the head gasket has gone over hreating is some what of a problem when towing long distances especialy with an auto secondhand range rover fans will fit...

any lr dealer can supply for about £6.00 will need relay and wiring harness to attatch just make sure the one u get fits your spare hole as they all have lugs built onto the side so will only plug into 1 hole barry

the 300 tdi engine in my disco has covered 156,000 miles still gives a top end of 95+ and returns 30mpg lovely lump to have barry

paddocks in matlock should take about half an hour per window just make sure you've got plenty of short countersunk self tappers barry