Land Rover2019–2021Technical specifications

Defender 3.0 i6 P400 MHEV: Technical specifications

Workshop data for the 3-litre petrol (engine code PT306). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (PT306) and chassis (L663) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Land Rover
Model
Defender
Chassis
L663
Years
2019–2021
Fuel
Petrol
Engine code
PT306

Performance & efficiency

Power
294 kW (400 hp)
Engine size
2,996 cc
Cylinders
6 · DOHC
Compression ratio
10.5:1
Fuel system
MFI-s(d)

Fluids & capacities

Engine oil (with the filter)
8.8 litres
All 81 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type6/DOHC
Capacity (Fiscal) cc2996
Compression ratio :110,5
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system DescriptionMap-DI
Trigger locationCam/Crankshaft
Fuel system DescriptionMFI-s(d)
Air metering TypeMass/MAP
Combined ignition and fuel ECMYes
Diagnostic socketYes

Ignition system

Ignition coil supply voltage + with ballast V12,0

Firing order

The firing order for the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) is 1-5-3-6-2-4.

Firing order1-5-3-6-2-4

Valve clearances

Valve clearances on the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mmHydraulic
Valve clearance - EXHAUST mmHydraulic

Engine oil & fluids

Engine oil

The Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) takes 8.8 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-20 for all ambient temperatures, with oil specification STJLR.51.5122.

Transfer box

The transfer box has a listed capacity of 1.5 litres. The specified oil is Shell TF 0753.

Coolant

The listed coolant type is Havoline XLC. The recorded coolant colour is Orange. The listed total cooling-system capacity is 12.4 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range All temperatures
Engine oil grade SAE 0W-20
Engine oil classification OEM STJLR.51.5122
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 —
Automatic transmission fluid
Automatic transmission (dry fill) litres 8.5
Automatic transmission - dry fill capacity
Differential oil grade - front SAE Castrol BOT750B
Differential front/AT litres 0.50-0.52
Front differential
Differential oil grade - rear SAE Castrol BOT750B
Differential oil grade - rear
Differential rear litres 0.84-0.86
Rear differential
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 12.4
Brake fluid Type DOT 4
Brake fluid classification ISO Class 6
Brake fluid litres 0.9

Brakes & wear limits

Brake disc thickness

Brake discs on the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) are replaced at a minimum thickness of 32 mm (ventilated) front and 23 mm (ventilated) rear.

Minimum disc thickness for replacement - ventilated Front32 mm
Minimum disc thickness for replacement - front
Minimum disc thickness for replacement - ventilated Rear23 mm

Brake disc and drum dimensions

Minimum disc thickness for replacement - front
Minimum pad thickness Front—
Minimum brake pad thickness - front
Minimum pad thickness Rear3 mm

Service & electrical

Ignition timing

The ignition timing on the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) is not adjustable.

Ignition timing - basic BTDC °Engine/rpmNot adjustable

Tuning and emissions

Ignition advance checks °Engine/rpmECM Controlled

Service checks and adjustments

Radiator cap bar2,0
Thermostat opens °C101

Fuel system

Fuel main pump delivery pressure bar250 Max

Spark plugs

Spark plug TypeH4P3-12405 (ACB)
Electrode gap mm0,60-0,65

Tightening torques

Cylinder head instructions—
Cylinder head
Renew boltsYes
Other engine tightening torques
Oil pump to cylinder block25 Nm
Sump bolts—
View more information—
Lower oil pan
Sump drain bolt30 Nm
Flywheel/driveplate-/30 Nm+120°
Crankshaft pulley/damper bolts37 Nm+90°
Camshaft sprocket/gear25 Nm+60°
Camshaft carrier/cap—
View more information—
Camshaft carrier/cap
Camshaft/rocker cover12 Nm
Inlet manifold to cylinder head12 Nm
Exhaust manifold to cylinder head—
Exhaust manifold to cylinder head
Exhaust downpipe to manifold18 Nm
Water pump25 Nm
Spark plugs23 Nm
View more information—
Spark plugs
Fuel rail1)20 Nm 2)30 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor8 Nm
Camshaft position (CMP) sensor8 Nm
Lambda sensor (Oxygen)48 Nm
Knock sensor (KS)20 Nm
Oil filter25 Nm
Chassis tightening torques
Front hub120 Nm+60°
Front hub - wheel bearing housing bolts—
Front hub - wheel bearing housing bolts
Rear hub120 Nm+60°
Steering wheel48 Nm
Steering rack/box mounting110 Nm+180°
Steering track rod end140 Nm
Brake disc to hub Front10 Nm
Brake disc to hub - front
Brake caliper to carrier Front35 Nm
Brake caliper/carrier to hub Front133 Nm+60°
Brake disc to hub Rear10 Nm
Brake disc to hub - rear
Brake caliper to carrier Rear35 Nm
Brake caliper/carrier to hub Rear110 Nm+120°
ABS sensor Front9 Nm
ABS sensor Rear9 Nm
Road wheels—

Air conditioning

No. of AC service connectors2
Air conditioning restrictor typeExpansion valve
Compressor clutch/magnetic couplingYes
Compressor variable displacement solenoidYes
Air conditioning refrigerant Type—
Do not mix R134a with R1234yf.
Air conditioning refrigerant quantity grams650±10
Air conditioning refrigerant quantity
Air conditioning oil groupPAG
Air conditioning oil TypeSPA2
Air conditioning oil quantity cm³80

Frequently asked questions

What is the firing order of the Land Rover Defender 3.0 i6 P400 MHEV?

The firing order for the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) is 1-5-3-6-2-4.

How much oil does the Land Rover Defender 3.0 i6 P400 MHEV take?

The Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) takes 8.8 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-20 for all ambient temperatures, with oil specification STJLR.51.5122.

What are the valve clearances for the Land Rover Defender 3.0 i6 P400 MHEV?

Valve clearances on the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the ignition timing for the Land Rover Defender 3.0 i6 P400 MHEV?

The ignition timing on the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) is not adjustable.

What is the minimum brake disc thickness for the Land Rover Defender 3.0 i6 P400 MHEV?

Brake discs on the Land Rover Defender 3.0 i6 P400 MHEV (2019–2021) are replaced at a minimum thickness of 32 mm (ventilated) front and 23 mm (ventilated) rear.

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