Discovery 2. Manual - part 10

 

  Index      Land Rover     Land Rover Discovery 2 - service manual 1999 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  8  9  10  11   ..

 

 

Discovery 2. Manual - part 10

 

 

GENERAL DATA

04-5

Idle speed:

 All loads off

660 

±

 50 rev/min

 Base idle speed

Non-adjustable

 Idle air control (IAC) valve position

Checked via TestBook

CO at idle:

 Catalyst vehicles

0.5 %

 Non-catalyst vehicles

0.5 - 1.0 %

Valve timing

Inlet valves:

 Opens

28

°

 BTDC

 Closes

77

°

 ABDC

Exhaust valves:

 Opens

66

°

 BBDC

 Closes

39

°

 ATDC

Fuel grade:

 High compression catalyst vehicles

95 RON minimum unleaded

 Low compression catalyst vehicles

91 RON minimum unleaded

Non-catalyst vehicles

97 RON leaded

Lubrication

Type

Wet sump, pressure fed

Pump type

Crankshaft driven eccentric rotor

Oil filter

Disposable canister with full flow by-pass

Pressure at idle - minimum

0.7 bar (10 lbf.in

2

)

Pressure at 2000 rev/min (hot)

3.4 bar (50 lbf.in

2

)

Relief valve opening pressure

3.4 bar (50 lbf.in

2

)

Low oil pressure switch opening pressure

0.24-0.41 bar (3.5-6.0 lbf.in

2

)

Crankshaft

Main journal diameter

63.487 - 63.500 mm (2.4995 - 2.520 in)

Crankpin journal diameter

55.500 - 55.513 mm (2.20 - 2.22 in)

End float

0.08 - 0.26 mm (0.003 - 0.010 in)

Maximum ovality

0.040 mm (0.002 in)

Main bearings

Quantity

5

Material

Glacier Vandervell / AS 15

Diametrical clearance

0.015 - 0.016 mm (0.00059 - 0.00063 in)

Connecting Rods

Type

Horizontally split big-end, plain small end

Distance between centres

155.120 - 155.220 mm (6.1071 - 6.1110 in)

Big-end bearings

Quantity

8

Material

Glacier Vandervell GPL 2120/AS 124A

Diametrical clearance

0.015 - 0.016 mm (0.00059 - 0.00063 in)

End float

0.15 - 0.35 mm (0.0006 - 0.0138 in)

GENERAL DATA

04-6

Gudgeon pins

Diameter

23.995 - 24.000 mm (0.9447 - 0.9449 in)

Clearance in piston

0.006 - 0.015 mm (0.00024 - 0.00059 in)

Fit in connecting rod

Press fit

Length

60.00 - 60.50 mm (2.362 - 2.382 in)

Pistons

Type

Solid skirt, elliptical open end with offset gudgeon pin

Material

Aluminium AE413P

Clearance in cylinder bore.
Measured 10 mm (0.4 in) from bottom of skirt, 90

°

 to 

gudgeon pin.

0.015 - 0.045 mm (0.001 - 0.002 in)

Diameter - Grade A

93.970 - 93.985 mm (3.6996 - 3.7002 in)

Diameter - Grade B

93.986 - 94.001 mm (3.7002 - 3.7008 in)

Piston rings

Type:

2 compression, 1 oil control

 Top compression ring

Barrel faced nitrided steel

 2nd compression ring

Tapered spherical

 Oil control ring

3 piece AE Conoform

Piston ring fitted gap in cylinder bore:

 Top compression ring gap

0.3 - 0.5 mm (0.012 - 0.020 in)

 2nd compression ring gap

0.40 - 0.65 mm (0.016 - 0.026 in)

 Oil control ring gap

0.38 - 1.40 mm (0.015 - 0.055 in)

Piston ring width:

 Top compression ring width

1.21 - 1.23 mm (0.0476 - 0.0484 in)

 2nd compression ring width

1.478 - 1.490 mm (0.0582 - 0.0587 in)

 Oil control ring width

3.00 mm (0.1181 in)

Piston ring to groove clearance:

 1st and 2nd compression rings

0.05 - 0.10 mm (0.002 - 0.004 in)

Camshaft

Bearings

5

Drive

Chain, 9.52 mm (0.3748 in) pitch x 54 pitches

End float

0.075 - 0.25 mm (0.002 - 0.010 in)

Tappets

Type

Hydraulic self adjusting

Outside diameter

21.386 - 21.407 mm (0.8420 - 0.8427 in)

GENERAL DATA

04-7

Valves

Stem diameter:

 Inlet

8.664 - 8.679 mm (0.3411 - 0.3417 in)

 Exhaust – 4.0 litre up to engine nos. 55D 05677A; 

56D 50787A; 97D 05504A

 Exhaust – 4.0 litre from engine nos. 55D 05678A; 

56D 50788A; 97D 05505A and all 4.6 litre

8.651 - 8.666 mm (0.3406 - 0.3412 in)

8.641 to 8.656 mm (0.340 to 0.341 in)

Head diameter:

 Inlet

39.75 - 40.00 mm (1.5650 - 1.5748 in)

 Exhaust

34.227 - 34.481 mm (1.3475 - 1.3575 in)

Seat face angle:

 Inlet

46

°

 25' - 46

°

 00'

 Exhaust

46

°

 25' - 46

°

 00'

Valve face angle:

 Inlet

45

°

 00' - 45

°

 30'

 Exhaust

45

°

 00' - 45

°

 30'

Valve springs

Free length

48.8 mm (1.92 in)

Fitted length

40.93 mm (1.61 in)

GENERAL DATA

04-8

Fuel system - Td5

Fuel system - V8

Type

Direct injection from pressure regulated supply with cooled return flow 
and in-line pressure regulator

Pressure regulator setting

4 bar (58 lbf.in

2

)

Pump

Electric two stage submersible

Pump output:

 Low pressure

30 l/h (6.6 gal/h) (7.93 US gal/h) at 0.5 bar (7.25 lbf.in

2

)

 High pressure

180 l/h (39.6 gal/h) (47.55 US gal/h) at 4 bar (58 lbf.in

2

)

Maximum consumption

30 l/h (6.6 gal/h) (7.93 US gal/h)

Injectors Make/type

Lucas EV1/Dual stage

Injector operating pressures:

Pre EU3 models

 Initial opening pressure

270 bar (3915 lbf.in

2

)

 Fully opened pressure

440 bar (6380 lbf.in

2

)

 Maximum pressure

1560 bar (22620 lbf.in

2

)

EU3 models:

 Initial opening pressure

270 bar (3915 lbf.in

2

)

 Fully opened pressure

440 bar (6380 lbf.in

2

)

 Maximum pressure

1750 bar (25375 lbf.in

2

)

Filter

In-line canister filter/water separator with water detection

Air cleaner

Mann and Hummell P0037

Type

Multiport injection from pressure regulated, returnless supply

Pump

Electric submersible

Regulated pump output pressure

3.5 bar (50.75 lbf.in

2

Fuel pump delivery

120 litres/hr (211 pints/hr) (234 US pints/hr)

Filter

In-line canister

Air filter 

Mann and Hummell P0036

 

 

 

 

 

 

 

Content   ..  8  9  10  11   ..