Engine & identification
Vehicle identification
| No. of cylinders Type | 6/DOHC |
|---|---|
| Capacity cc | 2997.3 |
| Compression ratio :1 | 15,5 |
| Fuel system Make | Bosch |
Injection system
| Air metering Type | Mass/MAP |
|---|---|
| Pump type | Common rail |
Valve clearances
Valve clearances on the Land Rover Discovery 3 D300 MHEV (2020–2026) 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 D300 MHEV (2020–2026) takes 8.8 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-30 for all ambient temperatures, with oil specification STJLR.03.5007 and API/ACEA classification /C2.
Transfer box
See the reference table for the complete transfer box entries and their conditions.
Coolant
The listed coolant type is Havoline XLC. The recorded coolant colour is Orange. The listed total cooling-system capacity is 14.5 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-30 |
| Engine oil classification OEM | STJLR.03.5007 |
| Engine oil classification API/ACEA | /C2 |
| Engine with filter(s) litres | 8.8 |
| 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 | Castrol BOT750B |
| Differential front/AT litres | 0.51-0.54 |
| Differential oil grade - rear SAE | Castrol BOT750B |
| Differential rear litres | 0.85-0.87 |
| Transfer box oil grade SAE | Shell TF 0753 |
| Transfer box litres | 1.5 |
| Coolant Type | Havoline XLC |
| Coolant Colour | Orange |
| Cooling system - total capacity litres | 14.5 |
| 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 D300 MHEV (2020–2026) 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 | |
| Minimum disc thickness for replacement - ventilated Rear | 23 mm |
Brake disc and drum dimensions
| Minimum disc thickness | ||
|---|---|---|
| Disc runout Front | 0,05 mm | |
| Disc runout Rear | 0,07 mm | |
| Minimum pad thickness Front | 2 mm | |
| Minimum pad thickness | ||
| Minimum pad thickness Rear | 3 mm | |
Bar lengths use a square-root scale so small and large values stay readable.
Service & electrical
Service checks and adjustments
| Radiator cap bar | 1,40 |
|---|---|
| Thermostat opens °C | 90-100 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Land Rover Discovery 3 D300 MHEV (2020–2026) are tightened in 3 stages: 40 Nm, then 90°, then a final 170°.
| Cylinder head | |
|---|---|
| Renew bolts | Yes |
| Tighten | 40 Nm |
| Tighten | 90° |
| Tighten | 170° |
| Tighten | M6=12 Nm |
| Cylinder head instructions | — | |
|---|---|---|
| Other engine tightening torques | ||
| Main bearings Renew bolts/nuts | Yes | |
| Main bearings Stage 1 | — | |
| Big end bearings Renew bolts/nuts | Yes | |
| Big end bearings Stage 1 | 20 Nm | |
| Big end bearings Stage 2 | 125° | |
| Oil pump to cylinder block | 25 Nm | |
| Sump bolts | 25 Nm | |
| View more information | — | |
| Sump bolts | ||
| Flywheel/driveplate | -/30 Nm+120° | |
| Crankshaft pulley/damper bolts | 37 Nm+90° | |
| Camshaft sprocket/gear | 80 Nm+90° | |
| Camshaft carrier/cap | 30 Nm | |
| Inlet manifold to cylinder head | 12 Nm | |
| Exhaust manifold to cylinder head | 10 Nm+18 Nm | |
| Water pump | 25 Nm | |
| Injector/clamp | 11 Nm+236° | |
| Injector pipe unions | 11 Nm+62° | |
| Glow plugs | 17 Nm | |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 8 Nm | |
| Camshaft position (CMP) sensor | 8 Nm | |
| Nitrogen oxide (NOx) sensor | 60 Nm | |
| Engine oil pressure switch | 15 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
How much oil does the Land Rover Discovery 3 D300 MHEV take?
The Land Rover Discovery 3 D300 MHEV (2020–2026) takes 8.8 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-30 for all ambient temperatures, with oil specification STJLR.03.5007 and API/ACEA classification /C2.
What are the valve clearances for the Land Rover Discovery 3 D300 MHEV?
Valve clearances on the Land Rover Discovery 3 D300 MHEV (2020–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Land Rover Discovery 3 D300 MHEV?
The cylinder head bolts on the Land Rover Discovery 3 D300 MHEV (2020–2026) are tightened in 3 stages: 40 Nm, then 90°, then a final 170°.
What is the minimum brake disc thickness for the Land Rover Discovery 3 D300 MHEV?
Brake discs on the Land Rover Discovery 3 D300 MHEV (2020–2026) are replaced at a minimum thickness of 31 mm (ventilated) front and 23 mm (ventilated) rear.