Engine & identification
Vehicle identification
| No. of cylinders Type | 8/DOHC |
|---|---|
| Capacity (Fiscal) cc | 4396 |
| Compression ratio :1 | 10,5 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Denso |
| Ignition system Type | PAG EMS-GEN 1 |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Denso |
| Fuel system Type | PAG EMS-GEN 1 |
| Fuel system Description | MFI-s |
| Air metering Type | Mass/MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil Make | Denso |
|---|---|
| Ignition coil Type | 2W93-12A366-BA |
| Ignition coil supply voltage + with ballast V | 12,0 |
Firing order
The firing order for the Land Rover Discovery 3 4.4 (2004–2009) is 1-5-4-2-6-3-7-8.
| Firing order | 1-5-4-2-6-3-7-8 |
|---|
Valve clearances
Valve clearances for the Land Rover Discovery 3 4.4 (2004–2009) are 0,18-0,22 mm inlet and 0,23-0,27 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,18-0,22 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,23-0,27 cold |
Engine oil & fluids
Engine oil
The Land Rover Discovery 3 4.4 (2004–2009) takes 7.7 litres of engine oil with the filter. The specified engine oil grade is SAE 5W-30 for all ambient temperatures, with API/ACEA classification SL/A3.
Transfer box
The transfer box has a listed capacity of 1.5 litres. The specified oil is Shell TF 0753.
Coolant
The listed total cooling-system capacity is 9.3-12.0 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SL/A3 |
| Engine with filter(s) litres | 7.7 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Shell M-1375.4 |
| Automatic transmission (dry fill) litres | 9.5 |
| Differential oil grade - front SAE | 75W-90 |
| Differential front/AT litres | 0.6 |
| Differential oil grade - rear SAE | 75W-90 |
| Differential oil grade - rear | |
| Differential rear litres | 1.1 |
| Differential rear | |
| Transfer box oil grade SAE | Shell TF 0753 |
| Transfer box litres | 1.5 |
| Cooling system - total capacity litres | 9.3-12.0 |
| Brake fluid Type | DOT 4 |
| Power steering fluid litres | 0.9 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Land Rover Discovery 3 4.4 (2004–2009) are replaced at a minimum thickness of 27 mm (ventilated) front and 17 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 27 mm |
|---|---|
| Minimum disc thickness for replacement Rear | 17 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,05 mm |
|---|---|
| Disc runout Rear | 0,09 mm |
| Minimum pad thickness Front | 3 mm |
| Minimum pad thickness Rear | 3 mm |
Bar lengths use a square-root scale so small and large values stay readable.
Service & electrical
Ignition timing
The ignition timing on the Land Rover Discovery 3 4.4 (2004–2009) is not adjustable.
| Ignition timing - basic BTDC °Engine/rpm | Not adjustable |
|---|
Battery
The Land Rover Discovery 3 4.4 (2004–2009) uses a 12 V, 75 Ah battery (reserve capacity 150 minutes).
| Battery V/RC(Ah) | 12/150 (75) |
|---|
Spark plugs
The Land Rover Discovery 3 4.4 (2004–2009) uses NGK 1FR5N10 spark plugs with a 1,0 mm electrode gap.
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | 1FR5N10 |
| Electrode gap mm | 1,0 |
| Spark plugs Make | NGK |
| Spark plug Type | 1FR5N10 |
| Electrode gap mm | 1,0 |
Tuning and emissions
| Ignition advance checks °Engine/rpm | ECM Controlled |
|---|---|
| Idle speed rpm | 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 |
Service checks and adjustments
| Oil pressure bar/rpm | 3,0/3500 |
|---|---|
| Radiator cap bar | 1,10 |
| Thermostat opens °C | 88 |
Fuel system
| Fuel pump delivery pressure bar | 4,5 |
|---|
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Land Rover Discovery 3 4.4 (2004–2009) are tightened in 4 stages: 20 Nm, then 35 Nm, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Tighten | 20 Nm |
| Tighten | 35 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Tighten | M8=25 Nm |
| Cylinder head instructions | — | |
|---|---|---|
| Other engine tightening torques | ||
| Oil pump to cylinder block | 10 Nm | |
| Sump bolts | 20 Nm | |
| Sump drain bolt | 25 Nm | |
| Flywheel/driveplate | 1)15 Nm 2)110 Nm | |
| Crankshaft pulley/damper centre bolt | 380 Nm | |
| Camshaft sprocket/gear | 20 Nm+90° Nm | |
| Camshaft carrier/cap | 10 Nm | |
| Camshaft/rocker cover | 12 Nm | |
| Inlet manifold to cylinder head | 20 Nm | |
| Exhaust manifold to cylinder head | 20 Nm | |
| Exhaust downpipe to manifold | 22 Nm | |
| Water pump | 10 Nm | |
| Spark plugs | 25 Nm | |
| Fuel rail | 10 Nm | |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 8 Nm | |
| Camshaft position (CMP) sensor | 7 Nm | |
| Lambda sensor (Oxygen) | 45 Nm | |
| Knock sensor (KS) | 20 Nm | |
| Engine oil pressure switch | 12 Nm | |
| Oil filter | 18 Nm | |
| Chassis tightening torques | ||
| Front hub | 230 Nm | |
| Rear hub | 350 Nm | |
| Steering wheel | 63 Nm | |
| Steering rack/box mounting | 175 Nm | |
| Steering track rod end | 76 Nm M14=150 Nm | |
| Brake disc to hub Front | 35 Nm | |
| Brake caliper to carrier Front | 35 Nm | |
| Brake caliper/carrier to hub Front | 275 Nm | |
| Brake disc to hub Rear | 35 Nm | |
| Brake caliper to carrier Rear | 35 Nm | |
| Brake caliper/carrier to hub Rear | 115 Nm | |
| ABS sensor Front | 10 Nm | |
| ABS sensor Rear | 9 Nm | |
| Road wheels | 140 Nm | |
Bar lengths use a square-root scale so small and large values stay readable.
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | No |
| Compressor variable displacement solenoid | Yes |
| Air conditioning refrigerant Type | R134a |
| Air conditioning refrigerant quantity grams | 600 |
| Refrigerant quantity | |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | Dens Oil 8 |
| Air conditioning oil quantity cm³ | 130 |
| Oil quantity | |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Land Rover Discovery 3 4.4?
The firing order for the Land Rover Discovery 3 4.4 (2004–2009) is 1-5-4-2-6-3-7-8.
What spark plugs does the Land Rover Discovery 3 4.4 use?
The Land Rover Discovery 3 4.4 (2004–2009) uses NGK 1FR5N10 spark plugs with a 1,0 mm electrode gap.
How much oil does the Land Rover Discovery 3 4.4 take?
The Land Rover Discovery 3 4.4 (2004–2009) takes 7.7 litres of engine oil with the filter. The specified engine oil grade is SAE 5W-30 for all ambient temperatures, with API/ACEA classification SL/A3.
What are the valve clearances for the Land Rover Discovery 3 4.4?
Valve clearances for the Land Rover Discovery 3 4.4 (2004–2009) are 0,18-0,22 mm inlet and 0,23-0,27 mm exhaust, measured cold.
What is the cylinder head torque for the Land Rover Discovery 3 4.4?
The cylinder head bolts on the Land Rover Discovery 3 4.4 (2004–2009) are tightened in 4 stages: 20 Nm, then 35 Nm, then 90°, then a final 90°.
What is the ignition timing for the Land Rover Discovery 3 4.4?
The ignition timing on the Land Rover Discovery 3 4.4 (2004–2009) is not adjustable.