I'm a bit bored at the moment and done with finals for the semester so here's all the fluids and capacities that my owner's manual has in it. From 01 DII. Might be overkill, but I'm sure you'll need most of it at some point in the disco's life

So yea it's a bit long of a reply.
Engine Oil - Use a 5W/30, 5W/40 or 10W/40 oil meeting API service level SG,SH or SJ and having a viscosity band recommended for the temp ranges of you locality. 5W/30 = -22F - +95F. 5W/30 = -22F - +122F. 10W/40 = +14F - +122F.
Auto Gearbox - Use ATF Dexron III.
Transfer gearbox - API GLMTI fully synthetic 75W/90R.
Axles - API GL5MTI fully synthetic 75w/90R.
Power Steering and ACE - Texaco Cold Climate PAS fluid 14315 - GM Part No 12345866, 12345867 (amber color).
Brake Resevoir - Shell Donax YB brake fluid conforming to DOT 4 specification. If this fluid is not available use a universal brake fluid or any brake fluid having a min boiling point of 500F and complying with FMVSS 116 DOT4.
Windscreen washers - windscreen washer solvent.
Engine Cooling System - Use Havoline Extended Life Coolant (XLC), or any ethylen glycol based anti-freeze (containing no methanol) with only Organic Acid Technology (OAT) corrosion inhibitors. Use on part anti-freeze to one part water for protection down to -33F.
Air conditioning compressor oil - Nippondenso ND-8.
Air conditioning refrigant - R134A
Inertia reel seat belts - DO NOT LUBRICATE. These components are lubricated for life during manufacture.
Battery - Petroleum Jelly. DO NOT use silicone grease.
Door Locks - use door lock and latch lubricant. Part No VWN16075.
Capacities :
Engine Oil from dry - 6.9 quarts
engine oil refill and filter change - 6.1 quarts
auto gearbox - 10.2 quarts
transfer box - 2.2 quarts
front diff - 1.8 quarts
rear diff - 1.8 quarts
washer resevoir 6.3 quarts
cooling system 13.7 quarts
cooling system refill - 8.4 quarts