Land Rover2017–2018Technical specifications

Discovery 3.0 Si6: Technical specifications

Workshop data for the 3-litre petrol (engine code 306PS). 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 (306PS) and chassis (L462) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Land Rover
Model
Discovery
Chassis
L462
Years
2017–2018
Fuel
Petrol
Engine code
306PS

Performance & efficiency

Power
250 kW (340 hp)
Engine size
2,995 cc
Cylinders
6 · DOHC
Compression ratio
10.5:1
Fuel system
Bosch

Fluids & capacities

Engine oil (with the filter)
8.0 litres
All 87 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type6/DOHC
Capacity (Fiscal) cc2995
Compression ratio :110,5
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system MakeBosch
Ignition system DescriptionMap-DI
Trigger locationCam/Crankshaft
Fuel system MakeBosch
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 Discovery 3.0 Si6 (2017–2018) is 1-4-2-5-3-6.

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

Valve clearances

Valve clearances for the Land Rover Discovery 3.0 Si6 (2017–2018) are 0,18-0,22 mm inlet and 0,23-0,27 mm exhaust, measured cold.

Valve clearance - INLET mm0,18-0,22 cold
Valve clearance - EXHAUST mm0,23-0,27 cold

Engine oil & fluids

Engine oil

The Land Rover Discovery 3.0 Si6 (2017–2018) takes 8.0 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.

Coolant

The listed coolant type is Havoline XLC. The recorded coolant colour is Orange. The listed total cooling-system capacity is 8.1-8.2 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 8.0
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
View more information —
Differential oil grade - front SAE 75W-90 Castrol SAF-XO
Differential front/AT litres 0.54
Differential oil grade - rear SAE 75W-90 Castrol SAF-XO
Differential oil grade - rear
Differential rear litres 0.82-0.85
Rear differential
Transfer box oil grade SAE —
Transfer box oil grade
Transfer box litres —
Transfer box oil
Coolant Type Havoline XLC
Coolant Colour Orange
Cooling system - total capacity litres 8.1-8.2
Cooling system
Brake fluid Type DOT 4
Brake fluid classification LRES22BF03
Brake fluid litres 0.9

Brakes & wear limits

Brake disc thickness

Brake discs on the Land Rover Discovery 3.0 Si6 (2017–2018) are replaced at a minimum thickness of 31 mm (ventilated) front and 23 mm (ventilated) rear.

Minimum disc thickness for replacement - ventilated Front31 mm
Minimum disc thickness
Minimum disc thickness for replacement - ventilated Rear23 mm

Brake disc and drum dimensions

Minimum disc thickness
Disc runout Front0,05 mm
Disc runout Rear0,07 mm
Minimum pad thickness Front2 mm
Minimum pad thickness
Minimum pad thickness Rear3 mm

Service & electrical

Ignition timing

The ignition timing on the Land Rover Discovery 3.0 Si6 (2017–2018) is not adjustable.

Ignition timing - basic BTDC °Engine/rpmNot adjustable

Tuning and emissions

Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpmNot adjustable
CO level at idle speed - tailpipe Vol. % CONot adjustable

Spark plugs

Spark plug TypeH4P3-12405 (ACA)

Tightening torques

Cylinder head instructions—
Cylinder head
Renew boltsYes
Other engine tightening torques
Big end bearings Renew bolts/nutsYes
Big end bearings Stage 120 Nm
Big end bearings Stage 2125°
Oil pump to cylinder block25 Nm
Sump bolts25 Nm
View more information—
Assemble components within 7 minutes.
Sump drain bolt24 Nm
Flywheel/driveplate-/45 Nm+90°
Crankshaft pulley/damper centre bolt200 Nm+270°
View more information—
Crankshaft pulley/damper centre bolt
Crankshaft pulley/damper bolts65 Nm
Crankshaft pulley/damper bolts
Camshaft sprocket/gear32 Nm
Camshaft carrier/cap12 Nm
Inlet manifold to cylinder head25 Nm
Exhaust manifold to cylinder head1)10 Nm 2)18 Nm
Water pump12 Nm
Spark plugs20 Nm
Fuel rail1)20 Nm 2)30 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor10 Nm
Camshaft position (CMP) sensor10 Nm
Lambda sensor (Oxygen)48 Nm
Knock sensor (KS)20 Nm
Oil filter12 Nm
Chassis tightening torques
Front hub120 Nm+60°
Rear hub120 Nm+60°
Steering wheel48 Nm
Steering rack/box mounting110 Nm+240°
Steering track rod end140 Nm
Brake disc to hub Front10 Nm
Brake caliper to carrier Front35 Nm
Brake caliper/carrier to hub Front133 Nm+60°
Brake disc to hub Rear10 Nm
Rear brake disc to hub
Brake caliper to carrier Rear10 Nm
Rear brake calliper to carrier
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 grams800±10
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 Discovery 3.0 Si6?

The firing order for the Land Rover Discovery 3.0 Si6 (2017–2018) is 1-4-2-5-3-6.

How much oil does the Land Rover Discovery 3.0 Si6 take?

The Land Rover Discovery 3.0 Si6 (2017–2018) takes 8.0 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 Discovery 3.0 Si6?

Valve clearances for the Land Rover Discovery 3.0 Si6 (2017–2018) are 0,18-0,22 mm inlet and 0,23-0,27 mm exhaust, measured cold.

What is the ignition timing for the Land Rover Discovery 3.0 Si6?

The ignition timing on the Land Rover Discovery 3.0 Si6 (2017–2018) is not adjustable.

What is the minimum brake disc thickness for the Land Rover Discovery 3.0 Si6?

Brake discs on the Land Rover Discovery 3.0 Si6 (2017–2018) are replaced at a minimum thickness of 31 mm (ventilated) front and 23 mm (ventilated) rear.

More on the Discovery