How to adjust discovery headlights

SOURCE: how to program a keyless entry for land rover

MOST OF THE TIME WHEN YOU HAVE PROBLEMS IN THE REMOTE AND KEYLESS ENTRY.THE DEALERSHIP HAS TO REPROGRAM IT.BUT FIRST CHECK ALL THE FUSES AND RELAYS.IF THEY ARE OKAY.THEN DEALERSHIP HAS TO FIX.

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SOURCE: 2004 land rover discovery, ignition

it sounds like your starter motor is faulty. first make sure the battery is fully charged, then place a screwdriver between the contacts of the solenoid on the starter motor, if it again just clicks, then you need to repair or replace the starter motor.
hope this helps

SOURCE: how to adjust rocker shaft on discovery td5

There are adjustment screws on the rockets according to RAVE.
The procedure is as follows:
1) Rotate the engine clockwise until No 1 injector lobe is at full lift.
2) Rotate rocker adjusting screw clockwise until the injector plunger is felt to bottom out.
3) Rotate rocket adjusting screw anti-clockwise one complete turn to give plunger the required bump clearance and tighten rocker arm adjusting screw locknut to 16Nm. Ensure the screw does not turn as the locknut is tightened.
4) Carry out the procedure for the remaining 4 rocker arms.
5) After completion of rocker arm adjustment slowly rotate engine clockwise 2 complete turns by hand to ensure that no injectors are bottoming out on their plungers.

SOURCE: transfer case oil change- 1999 Land Rover Discovery II

No need for a diagram, to drain the oil, there's a drain plug on the bottom of the transfer box, under the handbrake drum. To fill, the fill plug is about in line with the centre of the handbrake drum and to the left. I think both plugs are 1/2" square. Fill to overflow with Texaco Multi-Gear 75W/90R. Takes about 2L or so.

SOURCE: WHERE IS THE FUEL FILTER LOCATED ON LAND ROVER DISCOVERY 2000

LAND ROVER DISCOVERY II DONT HAVE FUEL FILTER, ONLY HAVE PRE FILTER IN THE FUEL PUMP