Engine & identification
Vehicle identification
| No. of cylinders Type | 6/DOHC |
|---|---|
| Capacity cc | 2993 |
| Compression ratio :1 | 16,1 |
| Fuel system Make | Bosch |
| Fuel system Type | EDC 17CP55.2 |
Injection system
| Air metering Type | Mass/MAP |
|---|---|
| Pump type | Common rail |
| Fuel main pump delivery pressure bar | 2000 Max |
Injection sequence
The injection sequence for the Land Rover Discovery 3 Sd6 (2018–2021) is 1-4-2-5-3-6.
| Injection sequence | 1-4-2-5-3-6 |
|---|
Valve clearances
Valve clearances on the Land Rover Discovery 3 Sd6 (2018–2021) 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 3 Sd6 (2018–2021) takes 5.9 litres of engine oil with the filter. The specified engine oil grade is SAE 5W-30 for all ambient temperatures, with oil specification STJLR.03.5005.
Coolant
The listed coolant type is Havoline XLC. The recorded coolant colour is Orange. The listed total cooling-system capacity is 9.4 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification OEM | STJLR.03.5005 |
| Engine with filter(s) litres | 5.9 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Shell L12108 (ZF Lifeguard 8) |
| Automatic transmission (drain & refill) litres | — |
| View more information | — |
| Filling and checking level | |
| Automatic transmission (dry fill) litres | 8.5 |
| Automatic transmission - dry-fill capacity | |
| Differential oil grade - front SAE | 75W-90 Castrol SAF-XO |
| Differential front/AT litres | 0.51-0.54 |
| Differential oil grade - rear SAE | 75W-90 Castrol SAF-XO |
| Differential rear litres | 0.85-0.87 |
| Transfer box oil grade SAE | — |
| Transfer box litres | — |
| Coolant Type | Havoline XLC |
| Coolant Colour | Orange |
| Cooling system - total capacity litres | 9.4 |
| Cooling system | |
| Brake fluid Type | DOT 4 |
| Brake fluid classification | LRES22BF03 |
| Brake fluid litres | 0.9 |
| Selective catalytic reduction (SCR) additive Type | AdBlue (AUS 32/ARLA 32) |
| Selective catalytic reduction (SCR) additive litres | 18.0 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Land Rover Discovery 3 Sd6 (2018–2021) are replaced at a minimum thickness of 31 mm (ventilated) front and 23 mm (ventilated) rear.
| Minimum disc thickness for replacement - ventilated Front | 31 mm |
|---|---|
| Minimum disc thickness for replacement - ventilated Rear | 23 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,05 mm |
|---|---|
| Disc runout Rear | 0,07 mm |
| Minimum pad thickness Front | 2 mm |
| Minimum pad thickness Rear | 3 mm |
Bar lengths use a square-root scale so small and large values stay readable.
Service & electrical
Glow plugs
Glow plugs for the Land Rover Discovery 3 Sd6 (2018–2021): Original equipment 9X2Q-6M090-AC and Bosch 250603005.
| Glow plug - part no. Original equipment | 9X2Q-6M090-AC |
|---|---|
| Glow plug - part no. Bosch | 250603005 |
Service checks and adjustments
| Thermostat opens °C | 82-96 |
|---|
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Land Rover Discovery 3 Sd6 (2018–2021) are tightened in 5 stages: 20 Nm, then 40 Nm, then 80 Nm, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Renew bolts | Yes |
| Tighten | 20 Nm |
| Tighten | 40 Nm |
| Tighten | 80 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Cylinder head instructions | — | |
|---|---|---|
| Other engine tightening torques | ||
| Oil pump to cylinder block | 10 Nm | |
| View more information | — | |
| Sump bolts | M6=10 Nm M8=23 Nm | |
| View more information | — | |
| Assemble components within 7 minutes. | ||
| Flywheel/driveplate | -/45 Nm+90° | |
| Crankshaft pulley/damper centre bolt | 1)150 Nm 2)300 Nm+90° | |
| View more information | — | |
| Crankshaft pulley/damper centre bolt | ||
| Camshaft sprocket/gear | — | |
| View more information | — | |
| Camshaft carrier/cap | — | |
| View more information | — | |
| Inlet manifold to cylinder head | 10 Nm | |
| Exhaust manifold to cylinder head | 1)5 Nm 2)28 Nm | |
| Water pump | 10 Nm | |
| Injector/clamp | 9 Nm | |
| Injector pipe unions | 1)15 Nm 2)35 Nm | |
| Fuel/injection pump sprocket/gear | 50 Nm | |
| Fuel/injection pump mounting | 23 Nm | |
| Glow plugs | 10 Nm | |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 5 Nm | |
| Camshaft position (CMP) sensor | 10 Nm | |
| Nitrogen oxide (NOx) sensor | 48 Nm | |
| Engine oil pressure switch | 14 Nm | |
| Oil filter | 25 Nm | |
| Chassis tightening torques | ||
| Front hub | 120 Nm+60° | |
| Rear hub | 120 Nm+60° | |
| Steering wheel | 48 Nm | |
| Steering rack/box mounting | 110 Nm+240° | |
| Steering track rod end | 140 Nm | |
| Brake disc to hub Front | 10 Nm | |
| Brake caliper to carrier Front | 35 Nm | |
| Brake caliper/carrier to hub Front | 133 Nm+60° | |
| Brake disc to hub Rear | 10 Nm | |
| Brake disc to hub | ||
| Brake caliper to carrier Rear | 10 Nm | |
| Brake caliper to carrier | ||
| Brake caliper/carrier to hub Rear | 110 Nm+120° | |
| ABS sensor Front | 9 Nm | |
| ABS sensor Rear | 9 Nm | |
| Road wheels | — | |
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 | Yes |
| Compressor variable displacement solenoid | Yes |
| Air conditioning refrigerant Type | — |
| Do not mix R134a with R1234yf. | |
| Air conditioning refrigerant quantity grams | 800±10 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | SPA2 |
| Air conditioning oil quantity cm³ | 80 |
Frequently asked questions
What is the injection sequence of the Land Rover Discovery 3 Sd6?
The injection sequence for the Land Rover Discovery 3 Sd6 (2018–2021) is 1-4-2-5-3-6.
What glow plugs does the Land Rover Discovery 3 Sd6 use?
Glow plugs for the Land Rover Discovery 3 Sd6 (2018–2021): Original equipment 9X2Q-6M090-AC and Bosch 250603005.
How much oil does the Land Rover Discovery 3 Sd6 take?
The Land Rover Discovery 3 Sd6 (2018–2021) takes 5.9 litres of engine oil with the filter. The specified engine oil grade is SAE 5W-30 for all ambient temperatures, with oil specification STJLR.03.5005.
What are the valve clearances for the Land Rover Discovery 3 Sd6?
Valve clearances on the Land Rover Discovery 3 Sd6 (2018–2021) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Land Rover Discovery 3 Sd6?
The cylinder head bolts on the Land Rover Discovery 3 Sd6 (2018–2021) are tightened in 5 stages: 20 Nm, then 40 Nm, then 80 Nm, then 90°, then a final 90°.
What is the minimum brake disc thickness for the Land Rover Discovery 3 Sd6?
Brake discs on the Land Rover Discovery 3 Sd6 (2018–2021) are replaced at a minimum thickness of 31 mm (ventilated) front and 23 mm (ventilated) rear.