Land Rover Defender 90 110 Workshop Book 2 Rover

DIESEL FUEL SYSTEM-TURBO CHARGED ENGINE 
GENERAL SPECIFICATION  DATA 
2.5 Litre Turbo Charged  Diesel Engine - Supplement 
Number of cylinders .............................................. 4 
Capacity 
............................................................. 2495 cc 
Compression  ratio ................................................ 21:l 
Valve charger ...................................................... 0. h.v. pushrod operated 
Turbo  charger...

1191 DIESEL FUEL SYSTEM-TURBO CHARGED ENGINE 
Camshaft 
Drive ................................................................. 
Location ............................................................ 
End-float ............................................................. 
Number of bearings .............................................. 
Material ............................................................. 
Valves 
Seat  angle: 
Inlet 
...............................................................

DIESEL FUEL SYSTEM -TURBO CHARGED ENGINE El 
........ ........ a-. COOLING SYSTEM 
......:;.... .. ? Type ................................................................. Pressurized spill return  system  with thermostat  control, I. >::.:::: :: ..,. pump and fan assisted 
Thermostat  opening temperature 
............................. 82°C 
Pressure cap 
........................................................ 1,0 kgf cm2 (15 Ibf in2) 
Water  pump type ....................................................

1191 DIESEL FUEL SYSTEM-TURBO CHARGED ENGINE 
ENGINE TUNING DATA 
ENGINE 
Injection  timing ................................................... 13 R.T.D.C. 
Firing order ........................................................ 1-3-4-2 ... 
Timing marks: 
.. Valve timing ....................................................... Slot for peg in flywheel  and TDC  mark on front  pulley 
Injection  timing 
................................................... Special tool 18G 1458 inserted in D.P.S. pump 
Tappet...

DIESEL FUEL SYSTEM - TURBO CHARGED ENGINE I 191 
TORQUE WRENCH SETTINGS 
TURBO
-CHARGER FlXINCS Nm Ibf.ft 
Stud-Turbo  charger to exhaust  manifold 
22-28 16-2 1 
Nut-Turbo charger  to exhaust  manifold 
2 1-26  15-19 
Adaptor
-Oil  feed  to cylinder  block 
22-28 16-21 
Adaptor
-Oil  drain  to cylinder  block 
22-28 16-21 
Pipc
-Oil  feed to turbo  charger 
15-22 11-16 
Pipe-Oil drain 
32-48 23-35 
Stud
-Outlet  elbow to turbo charger 
22-28 16-2 1 
Nut-Outlet elbow to turbo  charger 
2 1-26  15-19...

19 
TURBO-CHARGER 
DIESEL FUEL SYSTEM-TURBO CHARGED ENGINE 
Removing 
1. Remove thc bonnct. 
2. Remove the hose  connecting  the air clcancr  to the 
turbo
-charger. 
3. Remove  the turbo-charger  heat shield  fixings  and 
remove  the heat  shield. 
4. Release  the clamp  securing  the turbo-charger 
elbow  to the  exhaust  downpipe. 
5. Remove the inlet manifold  to the  turbo-charger 
hose. 
6. Disconnect  the boost  control  hose from the turbo- 
charger. 
7. Disconnect  from the turbo-charger the...

DIESEL FUEL SYSTEM-TURBO CHARGED ENGINE 119 
ST1863M 
13. Fit the  exhaust  downpipe  to  the  turbo-charger 
14. Connect the lubrication  inlet pipe to the  turbo- 
15. Fit the oil drain  pipe to the  flexible  connection. 
16. Connect  the  boost control  pipe  to the turbo- 
17. Fit the  hose connecting  the inlet manifold  to turbo- 
18. Fit  the  heat  shield. 
19. Fit the  air cleaner  to turbo-charger hose. 
20. Immediately  prior to starting  the engine  release the 
oil inlet pipe to the...

11911 DIESEL FUEL SYSTEM-TURBO CHARGED ENGINE 
TURBO-CHARGER FAULT TRACING 
It is important to be  aware  that when  tracing a 
suspected  fault in a turbo-charger  that a turbo-charger 
cannot  compensate  for incorrect  engine operation 
deficiencies 
in the  air, or fuel  intake  systems,  exhaust 
emission  components 
or for damaged  and worn  engine 
internal  parts such as valves  and pistons.  Before 
suspecting  the turbo
-charger,  the engine  should  be 
checked  against the tuning  data in...

COOLING SYSTEM 1261 
I -. ENGINE PROTECTION  DRAIN AND FILL VS ENGINE  COOLING  SYSTEM .. .. ”.! .. 
To prevent corrosion of the aluminium  alloy engine 
parts  it is  imperative  that the cooling  system is filled 
with  a solution 
of clean  water  and the correct  type of 
anti
-freeze,  winter and summcr, or water and inhibitor 
if frost  precautions  are not  required.  Never fill or 
top-up with water only, always  add an inhibitor 
(Marstons 
SQ36) if anti-freeze  is not  used.  NEVER USC 
salt...

1261 COOLING SYSTEM 
4. To drain the expansion  tank remove  it from  the 
vehicle,  empty, flush
-out and  refit.  If necessary 
renew  the expansion  tank hose. 
5. Make  up  a  solution of anti-freeze and water in a 
scparatc  container  in the  concentration  required. 
The  cooling  system  capacity is quoted 
in the  data 
scction. Therefore  to allow  for topping  up and  the 
DRAIN  AND FILL 2.25 LITRE  PETROL  AND 
DIESEL  AND 
2.5 DIESEL SYSTEMS 
WARNING:  Do not  remove  the radiator  or...