It's easy enough to see if the hydraulic part of the clutch is working and if so then you probably have had a mechanical failure of the clutch pressure plate. It can be driven by shutting the engine off and selecting second gear then start the engine, the landrover will jerk forward and the engine will start so drive away changing gears by matching revs to road speed. To stop select neutral and shut the engine off. To remove the clutch and pressure plate it's easiest to remove the transmission through the passenger door with a hydraulic lift. While it's apart resurface the flywheel and have a starter ring gear available to install at this time, also replace the throw out bearing and possibly the pilot bushing for the few bucks it costs. Because you were having clutch problems hydraulically you should replace the clutch slave and master cylinders as they are cheap. If you decide to pressure wash the gearbox be careful of the front bearing it's easy to drive dirt and grit into it, in fact I would recommend cleaning the inside of the bell housing with just a brush and solvent.
Last edited by busboy; 11-12-2012 at 05:40 PM.
1971 series 2a 88, series 3 trans, Fairey OD, owned since 1978.