Land Rover Defender 90 110 Workshop 1984 Rover Manual

2.50 LITRE DIESEL ENGINE 
FIT THE  FUEL  INJECTORS AND PIPES 
Fit the  injectors 
The  steel  sealing  washer fitted below the injector 
nozzlc is to ensure  that combustion  does not take  place 
around  the  nozzle body and cause 
it to overheat. A 
washer  which has been  used more  than  once, or an 
incorrectly  fitted  washer  may cause  the nozzle  to 
overheat  and result in  that cylinder misfiring. 
1.  Ensure  that the new  washers  are separated  from 
each  other  and are clean. 
2. Use  a...

1121 2.50 LITRE DIESEL ENGINE 
FIT THE AIR INTAKE  AND EXHAUST  MANIFOLDS 
1. Using a new gaskct fit the  manifolds  and secure 
with  the retaining  nuts and clamps.  Evenly tighten 
to the specified  torque ligure. 
2. Connect the breather  hose to the  oil filler  cap. 
U ST 1550 M 
Turbo-charged engines 
3. Fit a new gasket to the cylinder  head. 
4. Fit thc air intake  manifold  and evenly  lighten  the 
bolts 
to the  correct  torque. I L L- L I 
2. Secure  the rear of the  motor  to the  bracket...

2.50 LITRE DIESEL ENGINE 
ST769M 
FIT ALTERNATOR - 12 VOLT 
1. Fit adjustment link to front  cover. 
2. Assemble  the alternator  to thc engine brxkct with 
the  two  pivot  bolts, 
distancc piece and  washers, 
leaving  the bolts  slack. 
3. Fit thc adjustment link to the  timing  cover and 
attach 
to alternator with adjusting clamp  bolt. 
12 
STl 
Adjust belt tension 
4. Fit the drive  belt and pivot  the alternator  away 
from  the engine,  but 
do not  apply  pressure  to the 
stator 
or slip-ring...

1 12 1 2.50 LITRE DIESEL ENGINE 
ADJUST POWER STEERING DRIVE BELT 
1. Slacken the jockey  pulley pinch bolt. 
2. Move  the jockey  pulley to the left or right as 
necessary to achieve  a deflection,  by thumb 
pressure, 
of 12 mm at  the  mid-point of the belt  run 
between  the crankshaft  and power  steering  pump 
pulley. 
3. Tighten  the pinch bolt. 
92  

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DIESEL ENGINE  MECHANICAL  FAULTS 
POSSIBLE CAUSE 
34.  Low oil level in sump 
35. Low oil pressure 
36.  Excessive  bearing clcarance 
37.  Burnt
-out bearings 38. Loose  bearing caps 
39.  Low  coolant level 40. Faulty cooling system 
41. Faulty  thermostat 
42.  Cracked  cylinder head 
43.  Defective lubrication system 
44.  Thin  or diluted 
oil 45.  Low oil level 46. Choked  pump...

V8 CYLINDER ENGINE 
DISMANTLE AND OVERHAUL 
Remove induction  manifold 
Remove  the  engine from  the  vehicle  and  clean  the 
exterior. 
In the  interests  of safety  and efficient  working 
secure  the engine 
to a recognised  engine  stand. Drain 
and  discard  the sump  oil. 
Special  tools:
- 
Guide bolts - 605351 
Torque  wrench 
- 18G537 
Clutch centralising  tool - 18G79 
Gudgeon pin removerheplacer - Basic tool - 18G1150 
Adaptor remover/replacer- 
gudgeon  pin. - 18G1150E or 605350 
Spring...

V8 CYLINDER ENGINE 
I’ . ., REMOVE AND OVERHAUL  ROCKER SHAFTS AND 
VALVE  GEAR . .1 .* 
1. Remove the four screws  and  lift off  the  rocker 
2. Remove  the  four rocker  shaft rctaining bolts and 
covers 
lift off the assembly 
complete  with  baffle  plate. 
3. Withdraw the pushrods  and  retain in the sequence 
removed. Sl 
Dismantle  rocker shafts 
5. Remove the split  pin  from one end of the  rocker 
4. Withdraw  the following  components  and  retain 
7. A plain washcr. 
8. A wave  washer. 
9....

1121 V8 CYLINDER ENGINE 
RR750M 
19. Fit a new  hydraulic  tappet if the area  where  the 
pushrod  contacts is rough 
or otherwise  damaged. 
20.  Renew  any pushrod  having a rough 
or damaged 
ball  end 
or seat. Also bent  rods must  be renewed. 
Assemble  rocker shafts 
21. Fit a split pin to one end of the rocker  shaft. 
22.  Slide  a plain  washer  over the long  end of the  shaft 
23.  Fit a wave  washer  to abut  the plain  washer. 
to abut the split  pin. 
25. Compress  the springs,  brackets...

V8 CYLINDER ENGINE 112) 
6. Clean the combustion  chambers with a soft  wire 
brush. 
7. Clean the valves. 
8. Clean the valve  guide bores. 
wv 7 m- 
Fit new valve guides 
9. Regrind or fit new valves  as necessary. 
10. If a valve  must be ground to a knife-edge  to obtain 
11. The  correct angle for the valve  face  is 45 degrees. 
12. The correct  angle for the seat is 46 + /4 degrees, 
and 
the seat  witness  should  be towards  the outer 
edge. 
a true  seat,  fit a new valve. 
ST 793M 
13. Check...

12 
16. Remove  the old seat inserts  by grinding them  away 
until  they are thin  enough to  be cracked  and prised 
out. 
17.  Heat  the cylinder  head evenly  to approximately  65 
degrccs C (1 50 degrees F). 
18. Press thc new  insert  into the recess in the cylinder 
head. 
V8 CYLINDER ENGINE 
NOTE: Service  valve  seat  inserts  are  available  in 
two  over
-sizes: 0,25 and 0,50 mm (0.010 and 0.020 
in)  larger on the  outside  diameter  to  ensure 
interference  fit. 
19. If necessary, cut the...