Want to adjust engine tappets in a land rover discoveryand want to find out what is meant by inlet and exhaust.
The intake valves(routed to the intake manifold/injectors/throttle body) usually have a tighter clearance specification than the exhaust valves(ruted to the exhaust manifolds/catalytic converters,etc).This is due to the exhaust valves running at a higher tempurature than the intake valves.The only engine I have had long enough to require adjustment of the valves is my 77 Plymouth Volare'(it has a Slant Six 225 with mechanical lifters).My father put about 95,000 miles on it without adjusting the valves.(supposed to be done about every 20,000 miles).My Barracuda was getting to the point of weekly repair,so I decided it was time for a complete teardown and a nut and bolt restoration(after 18 years,I'm finally painting it!)The Volare was cosmetically rough,but just needed some tune up stuff to get it running for daily use.I rebuilt the carb,and used the 5 gas analylizer in the shop to tune it to perfection(it took 4 hours to rebuild,I spent 5 hours adjusting it).It started and ran better,but I knew there was room for improvement.My next task on the list was to adjust the valves,mostly becuase of the noise(it sounded like an old Teletype machine!).I set the clearance at .010" on the intake,and .020" exhaust per the factory manual(my father was smart to buy the mechanical AND electrical manuals as part of the new car purchase deal!)The valve adjustment made such a positive difference that I had to adjust the carb again.The first trip after transferring the tags was to my parent's house.My father couldn't believe how quiet and smooth it ran! So,good for you for doing this maintainance.Engines require so little routine adjustment that it sometimes gets forgotten anymore.
SOURCE: problem with my land rover discovery
http://www.popularmechanics.com/how_to_central/automotive/1833626.html
SOURCE: 99 land rover discovery 2 power loss, then stalls
Change the Mass Air Sensor it is dirty should solve all your trouble
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
Stem-to-guide clearance:
Inlet:
standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.03 to 0.04 mm
service limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.07 mm
Exhaust:
standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.07 to 0.08 mm
service limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.11 mm
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