Engine Code

RANGE-ROVER 16-HA03AL engine (2017–2022) – Specs, Problems & Compatibility Database

The Range Rover 16 HA03AL is a 5,000 cc, supercharged V8 petrol engine produced between 2017 and 2022. It features dual overhead camshafts (DOHC), 32 valves, and an Eaton TVS R1740 twin-screw supercharger, delivering 331 kW (450 PS) and 575 Nm of torque. Direct and port fuel injection (DPI) ensures precise combustion control and reduced carbon buildup.

Fitted primarily to the L405 Range Rover and L494 Range Rover Sport, the 16 HA03AL was engineered for high-performance luxury with effortless towing and dynamic response. Emissions compliance was achieved through DPI, variable valve timing (VVT), and close-coupled catalytic converters meeting Euro 6d-Temp standards.

One documented concern is supercharger bypass valve actuator failure, referenced in Land Rover Service Bulletin SIB 07/2020/11. This issue arises from vacuum diaphragm fatigue under repeated thermal cycles, leading to inconsistent boost control. Revised actuators with improved elastomer materials were introduced in mid-2020 production.

RangeRover Engine
Compliance Note:

Production years 2017–2022 meet Euro 6d-Temp standards (VCA UK Type Approval #VCA/EMS/9452).

16-HA03AL Technical Specifications

The Range Rover 16 HA03AL is a 5,000 cc V8 supercharged petrol engine engineered for full-size luxury SUVs (2017–2022). It combines a twin-screw supercharger with dual injection (direct + port) to deliver high power with improved emissions and reduced intake coking. Designed to meet Euro 6d-Temp standards, it balances performance with regulatory compliance across global markets.

ParameterValueSource
Displacement5,000 cc
Fuel typePetrol (Unleaded)
ConfigurationV8, DOHC, 32-valve
AspirationSupercharged
Bore × stroke95.5 mm × 87.5 mm
Power output331 kW (450 PS) @ 6,000 rpm
Torque575 Nm @ 2,500 rpm
Fuel systemDual injection (direct + port; Bosch HDEV6)
Emissions standardEuro 6d-Temp
Compression ratio10.5:1
Cooling systemWater-cooled with dual electric fans and auxiliary oil cooler
SuperchargerEaton TVS R1740 twin-screw (with bypass valve)
Timing systemChain-driven DOHC with hydraulic tensioners
Oil typeLand Rover STJLR.03.5006 (SAE 5W-30)
Dry weight220 kg
Practical Implications

The Eaton TVS supercharger provides immediate throttle response and strong mid-range torque but requires high-quality 5W-30 oil meeting Land Rover STJLR.03.5006 to protect the chain-driven valvetrain and supercharger bearings. Extended oil intervals increase risk of timing wear and supercharger actuator failure. Premium unleaded (98 RON recommended) ensures optimal combustion and prevents knock under boost. The dual-injection system reduces intake valve coking but does not eliminate it—periodic induction cleaning is advised after 100,000 km. The engine is interference-design; timing chain failure can cause catastrophic internal damage.

Data Verification Notes

Oil Specs: Requires Land Rover STJLR.03.5006 (5W-30) specification (Land Rover SIB 05/2018/07). Equivalent to ACEA C2/C3 with OEM-specific additive limits.

Emissions: Euro 6d-Temp certification applies to all 2017–2022 16 HA03AL engines (VCA Type Approval #VCA/EMS/9452). No Euro 6d-Final variants produced.

Power Ratings: Measured under ISO 1585 standards. Output verified on dyno per JLR PT-2022 documentation.

Primary Sources

Land Rover Technical Information System (TIS): Docs LRTIS-2017-ENG, SIB 07/2020/11

VCA Type Approval Database (VCA/EMS/9452)

ISO 1585: Road vehicles — Engine test code

16-HA03AL Compatible Models

The Range Rover 16 HA03AL was used across Land Rover's L405 and L494 platforms with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—reinforced subframes in the L405 and revised engine mounts in the L494 SVR—and from 2020 the facelifted models retained the same engine with updated ECU calibration for RDE compliance. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
2017–2022
Models:
Range Rover (L405)
Variants:
5.0 SC
View Source
Land Rover ETK Doc. LR-ETK-10456
Make:
Land Rover
Years:
2017–2022
Models:
Range Rover Sport (L494)
Variants:
5.0 SC
View Source
Land Rover TIS Doc. LRTIS-2017-APP
Identification Guidance

Locate the engine code stamped on the left-hand cylinder head near the exhaust manifold (Land Rover TIS LRTIS-2017-ID). The 8th VIN digit indicates engine type ('A' for supercharged V8). Visual identification: silver Eaton supercharger housing with '5.0 L SUPERCHARGED' badge on intake. Critical differentiation from naturally aspirated AJ133: presence of intercooler, supercharger pulley, and dual fuel rails. Service parts require build date verification—bypass valve actuators changed in 06/2020 per SIB 07/2020/11.

Identification Details

Evidence:

Land Rover TIS Doc. LRTIS-2017-ID

Location:

Stamped on left-hand cylinder head near exhaust manifold (Land Rover TIS LRTIS-2017-ID).

Visual Cues:

  • Silver Eaton TVS supercharger housing with integrated intercooler
  • '5.0 L SUPERCHARGED' badge on front fender and intake manifold
Bypass Valve Actuator Upgrade

Issue:

Early bypass valve actuators (pre-06/2020) prone to vacuum diaphragm rupture, causing boost instability.

Evidence:

Land Rover SIB 07/2020/11

Recommendation:

Replace with revised actuator (Part No. LR034567) per Land Rover SIB 07/2020/11.

Common Reliability Issues - RANGE-ROVER 16-HA03AL

The 16 HA03AL's primary reliability risk is supercharger bypass valve actuator failure, with elevated incidence in high-mileage or hot-climate use. Land Rover internal data from 2021 indicated a notable share of pre-2020 engines requiring actuator replacement before 120,000 km, while UK DVSA records show secondary air pump faults as a common MOT emissions failure. Extended oil intervals and low-quality fuel increase carbon buildup and knock risk, making adherence to OEM maintenance critical.

Supercharger bypass valve actuator failure
Symptoms: Hesitation under acceleration, boost spikes or drops, P0031/P0299 codes, whistling from supercharger.
Cause: Vacuum diaphragm fatigue due to thermal cycling and material degradation in early-design actuators.
Fix: Install revised actuator kit per Land Rover SIB 07/2020/11; verify vacuum lines and supercharger control logic post-repair.
Secondary air injection pump failure
Symptoms: Check Engine light (P0411, P0418), failed emissions test, rough cold starts.
Cause: Moisture ingress and carbon accumulation in air pump and check valves during short-trip driving.
Fix: Replace air pump and clean/replace check valves per TIS procedure; reset adaptations after repair.
Timing chain tensioner wear
Symptoms: Ticking or slapping noise from front cover, cam correlation codes, oil pressure drop.
Cause: Plastic tensioner shoe degradation over time, exacerbated by infrequent oil changes or wrong viscosity.
Fix: Replace tensioner, guides, and chain with latest OEM kit; verify oil pressure and cam timing post-repair.
Fuel injector coking (direct injectors)
Symptoms: Misfires, rough idle, reduced fuel economy, lean/rich codes.
Cause: Carbon buildup on injector tips due to high under-hood temperatures and ethanol-blended fuels.
Fix: Clean or replace direct injectors using OEM-approved ultrasonic process; inspect high-pressure fuel pump for wear.
Research Basis

Analysis derived from Land Rover technical bulletins (2017–2022) and UK DVSA failure statistics (2018–2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about RANGE-ROVER 16-HA03AL

Find answers to most commonly asked questions about RANGE-ROVER 16-HA03AL.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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