Land Rover1998–2002Technical specifications

Discovery II 4.0: Technical specifications

Workshop data for the 4-litre petrol (engine code 36D). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Updated 8 Sep 2026Common faults & fixes

Summary

Match the engine code (36D) and chassis (L318) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Land Rover
Model: Discovery II
Chassis: L318
Years: 1998–2002
Fuel: Petrol
Engine code: 36D

Performance & efficiency

Power: 134 kW (182 hp)
Engine size: 3,950 cc
Cylinders: 8 · OHV
Compression ratio: 9.35:1
Fuel system: Bosch

Fluids & capacities

Engine oil (with the filter): 5.8 litres

All 139 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	8/OHV
Capacity (Fiscal) cc	3950
Compression ratio :1	9,35
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Bosch
Ignition system Type	Motronic 5.2.1
Ignition system Description	Map-DIS
Trigger location	Cam/Crankshaft
Fuel system Make	Bosch
Fuel system Type	Motronic 5.2.1
Fuel system Description	MFI-s
Air metering Type	Mass
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Bosch
Ignition coil Type	0 221 503 407
Ignition coil supply voltage + with ballast V	12,0
Primary resistance Ohm	0,45-0,55
Secondary resistance Ohm	12000-14600

Firing order

The firing order for the Land Rover Discovery II 4.0 (1998–2002) is 1-8-4-3-6-5-7-2.

Firing order	1-8-4-3-6-5-7-2

Valve clearances

Valve clearances on the Land Rover Discovery II 4.0 (1998–2002) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mm	Hydraulic
Valve clearance - EXHAUST mm	Hydraulic

Engine oil & fluids

Engine oil

The Land Rover Discovery II 4.0 (1998–2002) takes 5.8 litres of engine oil with the filter.

A listed engine oil option is SAE 5W-20 for cold climates, with API/ACEA classification SJ/A2.

A listed engine oil option is SAE 10W-40 for moderate climates, with API/ACEA classification SJ/A2.

A listed engine oil option is SAE 15W-40 as an alternative for moderate climates, with API/ACEA classification SJ/A2.

A listed engine oil option is SAE 20W-50 for hot climates, with API/ACEA classification SJ/A2.

Manual gearbox

The manual gearbox has a listed capacity of 2.3-2.8 litres. The specified oil is Dexron IID.

Transfer box

See the reference table for the complete transfer box entries and their conditions.

Coolant

The listed total cooling-system capacity is 12.0 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Cold climate
Engine oil grade SAE	5W-20
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	15W-40
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	Hot climate
Engine oil grade SAE	20W-50
Engine oil classification API/ACEA	SJ/A2
Engine with filter(s) litres	5.8
Other lubricants and capacities
Manual transmission oil grade SAE	Dexron IID
Manual transmission litres	2.3-2.8
Automatic transmission fluid Type	Dexron IID
Automatic transmission (drain & refill) litres	—
Automatic transmission fluid
Automatic transmission (dry fill) litres	9.1
Differential oil grade - front SAE	75W-90
Differential front/AT litres	1.6
Differential oil grade - rear SAE	75W-90
Differential rear litres	1.6
Transfer box oil grade SAE	75W-90
Transfer box litres	2.0
Cooling system - total capacity litres	12.0
Brake fluid Type	DOT 4
Power steering fluid Type	Texaco PSF 14315
Power steering fluid litres	3.4

Brakes & wear limits

Brake disc thickness

Brake discs on the Land Rover Discovery II 4.0 (1998–2002) are replaced at a minimum thickness of 22 mm (ventilated) front and 11,7 mm rear.

Minimum disc thickness for replacement - ventilated Front	22 mm
Minimum disc thickness for replacement Rear	11,7 mm

Brake disc and drum dimensions

Disc runout Front	0,15 mm
Disc runout Rear	0,15 mm
Minimum pad thickness Front	3 mm
Minimum pad thickness Rear	2 mm
Parking brake travel No. of notches	3-4

Service & electrical

Ignition timing

The ignition timing on the Land Rover Discovery II 4.0 (1998–2002) is not adjustable.

Ignition timing - basic BTDC °Engine/rpm	Not adjustable

Battery

The Land Rover Discovery II 4.0 (1998–2002) uses a 12 V, 72 Ah battery (reserve capacity 130 minutes).

Battery V/RC(Ah)	12/130 (72)

Spark plugs

The Land Rover Discovery II 4.0 (1998–2002) uses Autolite APP64 spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	Champion
Spark plug Type	RC11PYPB4
Electrode gap mm	0,95-1,05
Spark plugs Make	Autolite
Spark plug Type	APP64
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RC11PYPB4
Electrode gap mm	0,95-1,05

Tuning and emissions

Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	660±50 Not adjustable
Oil temperature °C	80
CO level at idle speed - tailpipe Vol. % CO	0,5 Max Not adjustable
HC level at idle speed ppm	100
CO2 level at idle speed Vol. % CO2	14,5-16
O2 level at idle speed Vol. % O2	0,1-0,5
Increased idle speed for CO test rpm	2500-2800
CO content at increased idle speed Vol. %	0,3
Lambda at increased idle λ	0,98-1,02

Starting and charging

Maximum cranking amps A	194-238
Alternator output A/V/rpm	130/

Service checks and adjustments

Oil pressure bar/rpm	3,4/2000
Radiator cap bar	1,40
Thermostat opens °C	82

Fuel system

System pressure bar	3,5
Injector Ohm	13,8-15,2
Injector opening duration (hot) ms/rpm	2,5-7

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Land Rover Discovery II 4.0 (1998–2002) are tightened in 3 stages: 20 Nm, then 90°, then a final 90°.

Cylinder head
Renew bolts	Yes
Tighten	20 Nm
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	—
View more information	—
Main bearings
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	20 Nm
Big end bearings Stage 2	80°
Oil pump to cylinder block	22 Nm
Sump bolts	22 Nm
Sump drain bolt	33 Nm
Flywheel/driveplate	78 Nm/
Drive plate
Clutch pressure plate	40 Nm
Crankshaft pulley/damper centre bolt	270 Nm
Camshaft sprocket/gear	50 Nm
Camshaft/rocker cover	1)3 Nm 2)8 Nm
Inlet manifold to cylinder head	1)10 Nm 2)51 Nm
Exhaust manifold to cylinder head	1)15 Nm 2)36 Nm
Exhaust downpipe to manifold	30 Nm
Water pump	25 Nm
Spark plugs	20 Nm
Fuel rail	9 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	6 Nm
Camshaft position (CMP) sensor	8 Nm
Engine coolant temperature (ECT) sensor	10 Nm
Lambda sensor (Oxygen)	45 Nm
Knock sensor (KS)	22 Nm
Engine oil pressure switch	15 Nm
Oil filter	17 Nm
Chassis tightening torques
Front hub	490 Nm
Rear hub	490 Nm
Steering wheel	43 Nm
Steering rack/box mounting	90 Nm
Steering track rod end	80 Nm
Brake disc to hub Front	15 Nm
Brake caliper to carrier Front	30 Nm
Brake caliper/carrier to hub Front	175 Nm
Brake disc to hub Rear	15 Nm
Brake caliper to carrier Rear	30 Nm
Brake caliper/carrier to hub Rear	95 Nm
ABS sensor Front	20 Nm
ABS sensor Rear	20 Nm
Road wheels	140 Nm

Air conditioning

Refrigerant quantity
No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	700±25
Air conditioning oil group	PAG
Air conditioning oil Type	Dens Oil 8
Air conditioning oil quantity cm³	180
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the firing order of the Land Rover Discovery II 4.0?

The firing order for the Land Rover Discovery II 4.0 (1998–2002) is 1-8-4-3-6-5-7-2.

What spark plugs does the Land Rover Discovery II 4.0 use?

The Land Rover Discovery II 4.0 (1998–2002) uses Autolite APP64 spark plugs with a 0,8 mm electrode gap.

How much oil does the Land Rover Discovery II 4.0 take?

The Land Rover Discovery II 4.0 (1998–2002) takes 5.8 litres of engine oil with the filter. A listed engine oil option is SAE 5W-20 for cold climates, with API/ACEA classification SJ/A2. A listed engine oil option is SAE 10W-40 for moderate climates, with API/ACEA classification SJ/A2. A listed engine oil option is SAE 15W-40 as an alternative for moderate climates, with API/ACEA classification SJ/A2. A listed engine oil option is SAE 20W-50 for hot climates, with API/ACEA classification SJ/A2.

What are the valve clearances for the Land Rover Discovery II 4.0?

Valve clearances on the Land Rover Discovery II 4.0 (1998–2002) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Land Rover Discovery II 4.0?

The cylinder head bolts on the Land Rover Discovery II 4.0 (1998–2002) are tightened in 3 stages: 20 Nm, then 90°, then a final 90°.

What is the ignition timing for the Land Rover Discovery II 4.0?

The ignition timing on the Land Rover Discovery II 4.0 (1998–2002) is not adjustable.