fuel pump LAND ROVER DEFENDER 1996 Workshop Manual

01INTRODUCTION
10
INFORMATION CROSS REFERENCE OF EMISSION SYSTEM
TERMINOLOGY
NEW TERM (ACRONYM)
Accelerator pedal (AP).................................................
Air cleaner (ACL)..........................................................
Air conditioning (AC)....................................................
Battery positive voltage (B+)........................................
Closed loop (CL)..........................................................
Closed throttle position (CTP)......................................
Canister purge valve (CANPV)....................................
Data link connector (DLC)...........................................
Diagnostic trouble code (DTC).....................................
Distributor ignition (DI).................................................
Engine control module (ECM)......................................
Engine coolant level (ECL)...........................................
Engine coolant temperature (ECT)..............................
Engine coolant temperature sensor (ECTS)................
Engine speed (RPM)....................................................
Evaporative emission system (EVAP)..........................
Engine fuel temperature sensor (EFTS)......................
4th gear, 3rd gear etc. (4GR, 3GR)..............................
Fuel pump (FP)............................................................
Fan control module (FCM)...........................................
Generator (GEN)..........................................................
Ground (GND)..............................................................
Heated oxygen sensor (H02S)....................................
Idle air control (IAC)......................................................
Idle air control valve (IACV).........................................
Ignition control module (ICM).......................................
Intake air temperature (IAT).........................................
Manifold vacuum zone (MVZ)......................................
Mass air flow sensor (MAFS).......................................
Open loop (OL)............................................................
Relay module (RM)......................................................
Solid state relay module (SSRM).................................
Three way catalytic converter (TWC)..........................
Throttle body (TB)........................................................
Throttle position sensor (TPS)......................................
Transmission range (TR)..............................................
Wide open throttle (WOT)............................................OLD TERM (ACRONYM)
Throttle pedal (-)..........................................................
Air cleaner (-)...............................................................
Air conditioning (AC)....................................................
Battery plus, bat +, bat feed (B+).................................
Closed loop (-).............................................................
Closed throttle, idle position (-)....................................
Charcoal canister purge valve (-).................................
Serial link (-)................................................................
Fault code (-)...............................................................
Electronic ignition (-)....................................................
Electronic control unit (ECU)........................................
Coolant level (-)...........................................................
Coolant temperature (temp).........................................
Coolant temperature thermistor (-)..............................
Engine speed (rev/min)................................................
Evaporative loss system (ELC)...................................
Fuel temperature thermistor (-)....................................
Fourth gear, 3rd gear (-)..............................................
Fuel pump (-)...............................................................
Condenser fan timer (-)................................................
Alternator (-)................................................................
Ground, earth (B-)........................................................
Lambda (02) sensor (-)................................................
Idle speed control (ISC)................................................
Stepper motor (-).........................................................
Ignition module (-)........................................................
Intake temperature/ambient temperature (-)................
Manifold depression, vacuum (-).................................
Air flow meter (-)..........................................................
Fault code display unit (-)............................................
Open loop (-)...............................................................
Relay (-).......................................................................
Control unit (-)..............................................................
Catalyst, catalytic converter (CAT)..............................
Throttle housing (-)......................................................
Transmission gear (-)...................................................
Full throttle, wide open throttle (WOT).........................

GENERAL SPECIFICATION DATA
3
INFORMATION FUEL SYSTEM
Fuel lift pump type Mechanical with hand primer............................................................
Fuel lift pump pressure 42 - 55 Kgf/cm
2(3 - 4 lbf/in2) at 1800 rpm .....................................................
Fuel filter Paper element in disposable canister..........................................................................
Air cleaner Paper element type........................................................................
COOLING SYSTEM
System type Pressurised, spill return, thermostatically controlled.....................................................................
water and anti freeze mixture. Pump assisted thermo
syphon. Coolant radiator combined with oil cooler and
turbo intercooler.
Cooling fan 11 blade axial flow 433 mm diameter, 1.29:1 drive.......................................................................
ratio, with viscous coupling.
Pump type Centrifugal, impellor, belt driven........................................................................
Thermostat opening 88°C .........................................................
Expansion tank cap pressure 1,06 Kgf/cm
2(15 Ibf/in2) (system pressure) ...........................................
CLUTCH
Type Valeo diaphragm spring.................................................................................
Centre plate diameter 235 mm.......................................................
Facing material Verto F202 grooved.................................................................
Release bearing Ball journal...............................................................
TRANSMISSION
Main gearbox
Type R380 Single helical constant mesh.......................................................................
Speeds 5 forward, 1 reverse, all synchromesh.............................................................................
Transfer box
Type LT230 Two speed reduction on main gearbox output. Front......................................................................
and rear drive permanently engaged via a lockable
differential
Rear axle
Type Spiral bevel, fully floating shafts.................................................................................
Ratio 3.54:1.................................................................................

04GENERAL SPECIFICATION DATA
4
INFORMATIONREV: 05/99 Front axle
Type Spiral bevel, enclosed constant velocity joints, fully.................................................................................
floating shafts, 32°angularity of universal joint on full
lock
Ratio 3.54:1.................................................................................
Propeller shafts
Type, front and rear Tubular 51 mm dia...........................................................
Universal joints Open type Hookes O3EHD.................................................................
STEERING
Power steering box
Make/type Adwest Varamatic - worm and roller box........................................................................
Ratio Variable: straight ahead 19.3:1 on lock 14.3:1.................................................................................
Steering wheel turns, lock-to-lock 3.375....................................
Steering pump
Make/type Hobourn-Eaton series 500........................................................................
Steering geometry
Steering wheel diameter 412 mm (16.22 in)..................................................
Toe-out measurement 0 to 2 mm toe out......................................................
Toe-out included angle 0°to 0°20' .....................................................
Camber angle 0°* ..................................................................
Castor angle 3°* .....................................................................
Swivel pin inclination static 7°* ...............................................
* Check with vehicle on level ground, in unladen
condition and five gallons of fuel. Rock the front of the
vehicle up and down to allow it to take up a normal
static position.
Turning circle between kerbs
90 models:
265/75 x 16 tyres 12,65 m (41.5 ft)..............................................................
All other tyres 11,70 m (38.4 ft)...................................................................
110 models:
750 x 16 tyres 13,41 m (44 ft)..................................................................
130 models:
750 x 16 tyres 15,24 m (50 ft)..................................................................

ENGINE TUNING DATA
1
INFORMATION 300 Tdi ENGINE
Type2.5 Litre Turbo diesel intercooled .................................................................................
Firing order1-3-4-2 .....................................................................
Injection timing1,54 mm lift at T.D.C. ...............................................................
Injection timing with electronic EGR1,40 mm lift at T.D.C. ............................
Timing marks:
Valve timing - manual Slot for pin in flywheel and TDC mark on front pulley........................................................
Injection timing Timing pin (service tool).................................................................
Tappet clearances inlet and exhaust 0,20 mm cold...............................
Valve timing: Inlet Exhaust
- Opens 16°B.T.D.C. ............................................................................ 51°B.B.D.C.
- Closes 42°A.B.D.C. ............................................................................ 13°A.T.D.C.
- Peak 103°A.T.D.C. ............................................................................... 109°B.T.D.C.
- Lift 9,67 mm.................................................................................. 9,97 mm
Maximum governed speeds:
- No load (neutral/full throttle) 4600 + 40 - 120 rev/min...........................................
- Idle speed at running temperature 720±20 rev/min .................................
- Die-down time 4 seconds................................................................
INJECTION PUMP
Make & type - standard Bosch rotary R509 type with boost control and two....................................................
speed mechanical governor with auto advance and
solenoid electrical shut-off. Tamper proof sealing on,
no load governed speed and fuel adjustment screws.
Constant volume delivery valves
Make & type - Electronic EGR Bosch rotary R509/1 type with boost control and two.........................................
speed mechanical governor with auto advance and
solenoid electrical shut-off. Tamper proof sealing on
flight speed and fuel adjustment screws. Constant
volume delivery valves. Throttle position sensor for
EGR control.
HEATER PLUGS
Make & type Probe type, No.0100226129A Beru 12 volts.....................................................................
Time to reach operating temperature of 850°C 8 seconds...............

MAINTENANCE
3
MAINTENANCE UNDER BONNET MAINTENANCE
UNDER BONNET COMPONENTS
A - RH drive
1.Brake fluid reservoir
2.Clutch fluid reservoir
3.Air cleaner element
4.Engine breather filter
5.Oil filler cap
6.Oil level dipstick
7.Heater/air conditioning unit
8.Windscreen washer reservoir
9.Power steering pump reservoir10.Intercooler and hoses
11.Radiator filler plug
12.Radiator
13.Oil cooler
14.Fuel filter
15.Accelerator linkage
16.Expansion tank
17.Air cleaner dump valve

10MAINTENANCE
4
MAINTENANCE
UNDER BONNET COMPONENTS
B - LH drive
1.Brake fluid reservoir
2.Clutch fluid reservoir
3.Air cleaner element
4.Engine breather filter
5.Oil filler cap
6.Oil level dipstick
7.Heater/air conditioning unit
8.Windscreen washer reservoir
9.Power steering pump reservoir10.Intercooler and hoses
11.Radiator filler plug
12.Radiator
13.Oil cooler
14.Fuel filter
15.Accelerator linkage
16.Expansion tank
17.Air cleaner dump valve

10MAINTENANCE
8
MAINTENANCE CHECK/TOP UP BRAKE FLUID RESERVOIR
WARNING: DO NOT drive the vehicle with
the fluid level below 'MIN' mark.
Brake fluid will damage painted surfaces; clean up
any spillage immediately and rinse with plenty of
water.
If brake fluid should come into contact with skin
or eyes, rinse immediately with plenty of water.
1.Check the fluid level visually through transparent
side of reservoir without removing cap.
2.If level is below 'MAX' mark clean and remove
reservoir cap.
3.Top up to 'MAX' mark with recommended brake
fluid
See LUBRICANTS, FLUIDS AND
CAPACITIES, Information, Recommended
lubricants and fluids
CHECK/TOP UP WASHER RESERVOIR
Top up washer reservoir to within 25 mm (1.0 in) of
filler neck. Use a screen washer solvent/anti-freeze
solution to assist removing mud, flies, and road film
and protect against freezing.
LUBRICATE ACCELERATOR LINKAGES
Lubricate accelerator cable at adjustment ferrule and
linkage with injector pump and at pedal clevis pin.CHECK/ADJUST ENGINE IDLE SPEED
Check/adjust low and high engine idle speed with
engine at normal running temperature.
See FUEL
SYSTEM, Adjustment, low and high idle speed
adjustment
CHECK/ADJUST STEERING BOX
Check steering box and pipes/hoses for fluid leaks.
Check that there is no backlash in steering box when
in straight ahead position. Adjust steering box if
necessary.
See STEERING, Adjustment, Power
steering box
VISUALLY CHECK INTERCOOLER/RADIATOR
FOR EXTERNAL OBSTRUCTIONS
Check intercooler/radiator for external obstructions. If
necessary, apply air pressure to engine side of matrix
to clear obstruction. If mud or dirt is evident, carefully
use a hose to wash away obstruction.
FLUSH DIESEL INTERCOOLER
Remove
1.Remove intercooler matrix.
See FUEL
SYSTEM, Repair, Intercooler
2.Flush matrix with ICI 'GENKLENE' proprietary
cleaner, following manufacturers instructions.
3.Dry intercooler completely ensuring that no liquid
remains in matrix.
Refit
4.Refit intercooler matrix.
See FUEL SYSTEM,
Repair, Intercooler

ENGINE
1
REPAIR CYLINDER COMPRESSION TEST
Service repair no - 12.25.01
1.Start and run engine to normal operating
temperature.
2.Switch off engine.
3.Disconnect spill return hose and fuel pipe from
No.1 injector.
4.Remove retaining nut, release clamp and
withdraw injector from cylinder head.
See FUEL
SYSTEM, Repair, injectors
5.Disconnect electrical lead from fuel cut-off
solenoid at injection pump to prevent delivery of
fuel to injectors. On vehicles fitted with a digital
diesel shut-off valve (DDS) immobilisation
system, disconnect DDS multi-plug.
6.Ensure injector port is clean, If necessary, crank
the engine a few revolutions to remove any
loose carbon.
7.Fit dummy injector, from diesel compression
tester kitLRT-19-007, into the cylinder head and
clamp securely in position.
8.Connect flexible hose and gauge to dummy
injector as shown above.
9.Crank engine for 10-20 seconds and note
reading on gauge. The gauge will indicate the
compression of the cylinder and maintain the
reading until the pressure release valve on the
gauge is depressed.
Expected readings of a crank test, with vehicle
battery fully charged, compression ratio 19.5:1
should be 24 bar (348 lbf/in
2).10.Repeat test procedure for remaining clinders in
turn.
NOTE: A variation in compression
readings between cylinders is often a
better indication of an engine problem
than the absolute values of compression.
11.If compression is appreciably less than correct
reading, or varies by more than 10%, piston
rings or valves may be worn or damaged.
Low pressures in adjoining cylinders may
indicate a faulty cylinder head gasket.

ENGINE
5
REPAIR
26.Disconnect both pipes from fuel lift pump.
27.Release fuel feed pipe from retaining clip on air
cleaner bracket.
28.Disconnect vacuum hose from brake servo.
29.Remove oil pipes from oil filter adaptor.30.Using suitable hoist, fit chains to lifting brackets
and support engine.
31.Remove nuts and plain washers securing front
engine mountings to chassis.
32.Support gearbox.
33.Remove engine to bell housing fixings, leaving
starter motor attached to engine.
34.Carefully raise engine to release from gearbox.
35.Ensure all relevant connections to engine have
been removed.
36.Remove engine.
Refit
37.Clean bell housing.
38.Apply Hylomar sealant to mating faces of bell
housing and flywheel housing.
39.Lubricate splines of gearbox primary pinion with
Rocol MV 3.
40.Carefully lower engine into position and locate
primary pinion into clutch and engage bell
housing dowels.
41.Fit engine to bell housing fixings. Tighten to
40
Nm (30 lbf/ft).

12ENGINE
6
REPAIR 42.Raise engine, and locate front engine mountings
to chassis.
43.Remove gearbox support and lower engine.
44.Tighten front engine mounting to chassis fixings
to
45 Nm (33 lbf/ft).
45.Release chains from engine lifting brackets and
remove hoist.
46.Connect oil cooler pipes to oil filter adaptor.
47.Fit vacuum hose to brake servo adaptor.
48.Secure fuel feed pipe in retaining clip on air
cleaner bracket.
49.Fit fuel lift pump pipes.
50.Connect feed and spill return pipes to injector
pump.
51.If fitted, reconnect hand throttle cable to
mounting bracket and injector pump.
52.Fit outer cable adjusting nut into injector pump
mounting bracket.
53.Fit inner throttle cable to injector pump and
secure with clevis and split pin.
54.Secure bleed hose in retaining clips on front
timing cover.
55.Fit bleed hose to thermostat housing.
56.Connect inlet and outlet hoses to power steering
pump.
57.Fit down pipe to exhaust manifold and secure
with 3 nuts.
58.Connect starter motor battery and fuse box
leads.
59.If fitted, connect EGR valve multi-plug and
vacuum pipe.
60.Secure breather pipe clip to cylinder head.
61.Connect engine harness multi-plug.
62.Fit heater plug feed wire.
63.Connect electrical feed plug at rear of cylinder
head.
64.Fit heater hoses to cylinder head and heater
rails.
65.Fit feed pipe/hose to turbo-charger and
intercooler.
66.Fit rocker cover insulation.
67.Fit radiator assembly.
See COOLING SYSTEM,
Repair, Radiator
If applicable, fit air
conditioning condenser, compressor pipes and
heater matrix hoses.
See AIR CONDITIONING,
Repair, Condenser
68.Fit bonnet.
69.Reconnect battery.CRANKSHAFT PULLEY
Service repair no - 12.21.01
Remove
1.Disconnect battery.
2.Drain coolant.
See COOLING SYSTEM,
Repair, Drain and refill cooling system
3.Remove top hose from radiator.
4.Remove intercooler to induction manifold hose.
5.Remove viscous coupling and fan.
See
COOLING SYSTEM, Repair, Viscous
coupling and fan
6.Remove fan cowl.See COOLING SYSTEM,
Repair, Fan cowl
7.Remove drive belt.See ELECTRICAL, Repair,
Auxiliary drive belt
8.Fit crankshaft pulley retainerLRT-12-080and
secure with 4 bolts.
9.Remove crankshaft pulley retaining bolt
anti-clockwise using socket and suitable long
bar.
10.Remove pulley retainer.
11.Remove pulley, if necessary using extractor
LRT-12-049with thrust pad fromLRT-12-031.