Engine & identification
Vehicle identification
| No. of cylinders Type | 6/OHC |
|---|---|
| Capacity (Fiscal) cc | 3999 |
| Compression ratio :1 | 9,7 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 98 |
| 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 supply voltage + with ballast V | 12,0 |
Firing order
The firing order for the Land Rover Discovery 4 Discovery 4 (2009–2011) is 1-4-2-5-3-6.
| Firing order | 1-4-2-5-3-6 |
|---|
Valve clearances
Valve clearances on the Land Rover Discovery 4 Discovery 4 (2009–2011) 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 4 Discovery 4 (2009–2011) takes 5.7 litres of engine oil with the filter. The specified engine oil grade is SAE 5W-30 synthetic for all ambient temperatures, with oil specification WSS-M2C913-C.
Transfer box
The transfer box has a listed capacity of 1.5 litres. The specified oil is Shell TF 0753 Synthetic.
Coolant
The listed coolant type is Havoline Extended Life. The recorded coolant colour is Orange. The listed total cooling-system capacity is 8.4 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 5W-30 Synthetic |
| Engine oil classification OEM | WSS-M2C913-C |
| Engine with filter(s) litres | 5.7 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Shell M-1375.4 |
| Automatic transmission (drain & refill) litres | 3.5-4.0 |
| Automatic transmission fluid - drain and refill | |
| Automatic transmission (dry fill) litres | 9.5 |
| Differential oil grade - front SAE | 75W-90 Castrol SAF-XO Synthetic |
| Differential front/AT litres | 0.6 |
| Differential oil grade - rear SAE | 75W-90 Castrol SAF-XO Synthetic |
| Differential oil grade - rear | |
| Differential rear litres | 1.1 |
| Differential rear | |
| Transfer box oil grade SAE | Shell TF 0753 Synthetic |
| Transfer box litres | 1.5 |
| Coolant Type | Havoline Extended Life |
| Coolant Colour | Orange |
| Cooling system - total capacity litres | 8.4 |
| Cooling system | |
| Brake fluid Type | Shell DOT 4 ESL |
| Power steering fluid Type | Texaco PSF 14315 |
| Power steering fluid litres | 0.9 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Land Rover Discovery 4 Discovery 4 (2009–2011) are replaced at a minimum thickness of 27 mm (ventilated) front and 18 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 27 mm |
|---|---|
| Minimum disc thickness for replacement Rear | 18 mm |
Brake disc and drum dimensions
| Disc thickness variation Front | 0,010 mm |
|---|---|
| Disc thickness variation Rear | 0,010 mm |
| 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 4 Discovery 4 (2009–2011) is not adjustable.
| Ignition timing - basic BTDC °Engine/rpm | Not adjustable |
|---|
Spark plugs
The Land Rover Discovery 4 Discovery 4 (2009–2011) uses Motorcraft AGSF24PM spark plugs with a 1,4 mm electrode gap.
| Spark plugs Original equipment | Motorcraft |
|---|---|
| Spark plug Type | AGSF24PM |
| Electrode gap mm | 1,4 |
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 | 0,3 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. % | 0,2 |
| Lambda at increased idle λ | 0,97-1,03 |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|
Service checks and adjustments
| Oil pressure bar/rpm | 3,3-3,6/3500 |
|---|---|
| Radiator cap bar | 1,10 |
| Thermostat opens °C | 88 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Land Rover Discovery 4 Discovery 4 (2009–2011) are tightened in 4 stages: 15 Nm, then 30 Nm, then 80°, then a final 80°.
| Cylinder head | |
|---|---|
| Renew bolts | Yes |
| Tighten | 15 Nm |
| Tighten | 30 Nm |
| Tighten | 80° |
| Tighten | 80° |
| Tighten | M8=35 Nm |
| Cylinder head instructions | — | |
|---|---|---|
| Other engine tightening torques | ||
| Sump drain bolt | 25 Nm | |
| Flywheel/driveplate | 1)15 Nm 2)72 Nm | |
| Crankshaft pulley/damper centre bolt | 55 Nm+85° | |
| Camshaft sprocket/gear | 20 Nm+100° | |
| Camshaft carrier/cap | 1)6 Nm 2)16 Nm | |
| Spark plugs | 18 Nm | |
| Fuel rail | 25 Nm | |
| Oil filter | 18 Nm | |
| Chassis tightening torques | ||
| Front hub | 230 Nm | |
| Front hub - wheel bearing housing bolts | 115 Nm | |
| Rear hub | 420 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 | 9 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 4 Discovery 4?
The firing order for the Land Rover Discovery 4 Discovery 4 (2009–2011) is 1-4-2-5-3-6.
What spark plugs does the Land Rover Discovery 4 Discovery 4 use?
The Land Rover Discovery 4 Discovery 4 (2009–2011) uses Motorcraft AGSF24PM spark plugs with a 1,4 mm electrode gap.
How much oil does the Land Rover Discovery 4 Discovery 4 take?
The Land Rover Discovery 4 Discovery 4 (2009–2011) takes 5.7 litres of engine oil with the filter. The specified engine oil grade is SAE 5W-30 synthetic for all ambient temperatures, with oil specification WSS-M2C913-C.
What are the valve clearances for the Land Rover Discovery 4 Discovery 4?
Valve clearances on the Land Rover Discovery 4 Discovery 4 (2009–2011) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Land Rover Discovery 4 Discovery 4?
The cylinder head bolts on the Land Rover Discovery 4 Discovery 4 (2009–2011) are tightened in 4 stages: 15 Nm, then 30 Nm, then 80°, then a final 80°.
What is the ignition timing for the Land Rover Discovery 4 Discovery 4?
The ignition timing on the Land Rover Discovery 4 Discovery 4 (2009–2011) is not adjustable.