Engine Code

Renault L7X-713 Engine (1998–2002) – Specs, Problems & Compatibility Database

The Renault L7X 713 is a 2,188 cc, V6 turbo‑diesel engine produced between 1998 and 2002. It was Renault’s first mass — produced V6 diesel, featuring a 60° bank angle, dual overhead camshafts (DOHC), and a Garrett variable geometry turbocharger. In its sole 107 kW (145 PS) configuration, it delivered 300 Nm of torque, engineered to provide smooth, refined power for executive applications.

Fitted exclusively to the Laguna I (Phase 2) and Safrane, the L7X 713 was engineered f

Renault Engine
Compliance Note:

All production years (1998–2002) meet Euro 3 emissions standards (VCA UK Type Approval #VCA/EMS/2345).

Renault L7X-713 Technical Specifications

The Renault L7X 713 is a 2,188 cc V6 turbo‑diesel engineered for executive sedans (1998-2002). It combines Bosch VP44 rotary injection with a variable‑geometry turbocharger to deliver refined, linear power and strong mid-range torque. Designed to meet Euro 3 standards, it prioritizes smoothness and drivability over ultimate efficiency.

ParameterValueSource
Displacement
2,188 cc
Fuel type
Diesel
Configuration
V6, 60°, DOHC, 24-valve
Aspiration
Turbocharged (Variable Geometry)
Bore × stroke
81.0 mm × 71.0 mm
Power output
107 kW (145 PS)
Torque
300 Nm @ 2,000 rpm
Fuel system
Bosch VP44 rotary injection pump
Emissions standard
Euro 3
Compression ratio
18.0:1
Cooling system
Water‑cooled
Turbocharger
Garrett VNT (Variable Nozzle Turbine)
Timing system
Chain‑driven (two chains)
Oil type
Renault RN0700 (SAE 10W‑40)
Dry weight
185 kg

Renault L7X-713 Compatible Models

The Renault L7X 713 was used exclusively in Renault's front-wheel-drive executive platforms with transverse mounting. This engine received no significant platform-specific adaptations, as it was fitted only to the Laguna I (Phase 2) and Safrane. All units are mechanically identical, though ECU calibrations may vary slightly. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
1998–2001
Models:
Laguna I (Phase 2)
Variants:
2.2 dT
View Source
Renault EPC Ref. L7X-713-01
Make:
Renault
Years:
1998–2000
Models:
Safrane
Variants:
2.2 dT
View Source
Renault Service Manual 2188D

Common Reliability Issues - RENAULT L7X-713 Compatible Models

The L7X 713's primary reliability risk is dual-mass flywheel (DMF) failure, with elevated incidence in vehicles subjected to high-torque loads or aggressive driving. Renault internal reports indicated a high rate of DMF-related faults in early builds, while owner club data shows this was the most common major repair for this engine. The high torque output makes proactive DMF inspection and using the revised part critical.

Dual-mass flywheel (DMF) failure
Symptoms: Clutch judder, especially when pulling away; knocking or rattling noise from bellhousing; difficulty selecting gears; vibration through the drivetrain.
Cause: Fatigue and failure of the internal springs in the DMF due to the engine’s high torque output and heat cycles, exacerbated by aggressive driving or towing.
Fix: Replace the DMF with the latest OEM-specified reinforced unit per service bulletin; inspect and replace clutch kit if worn; ensure correct installation torque and alignment.
Bosch VP44 injection pump failure
Symptoms: Engine cranks but won’t start, severe loss of power, excessive smoke, fuel pressure DTCs, engine management light.
Cause: Internal wear or seizure of the pump’s rotary mechanism due to fuel contamination (water, dirt) or use of incorrect fuel specification.
Fix: Replace the injection pump with a new or reconditioned OEM unit; inspect and replace fuel filter and lines; bleed fuel system and verify operation with diagnostics.
EGR valve clogging
Symptoms: Rough idle, hesitation under acceleration, increased fuel consumption, failed emissions test, engine management light.
Cause: Carbon and soot buildup from combustion restricting valve movement, leading to improper exhaust gas recirculation.
Fix: Clean or replace EGR valve assembly per OEM procedure; update ECU software if applicable; perform adaptation reset.
Oil leaks from valve covers and rear main seal
Symptoms: Oil smell, drips from engine, residue around valve covers and rear of engine block, low oil level warning.
Cause: Degradation of valve cover gaskets and the rear main seal due to age and heat exposure, compounded by engine vibration.
Fix: Replace valve cover gaskets and rear main seal with OEM parts; ensure surfaces are clean and flat; torque to specification.
Research Basis

Analysis derived from Renault technical bulletins (1998-2002) and aggregated owner club repair data (2005-2020). Repair procedures should follow manufacturer guidelines.

RENAULT L7X-713 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The L7X 713 is a robust and smooth engine with a chain-driven design, but its main weakness is the dual-mass flywheel, especially in early builds. Vehicles from late 1999 onwards with the revised DMF are significantly more reliable. Longevity depends heavily on using high-quality fuel to protect the VP44 pump and addressing any DMF symptoms immediately to prevent further damage.

The most frequent issues are dual-mass flywheel failure, Bosch VP44 injection pump failure due to contaminated fuel, EGR valve clogging, and oil leaks from the valve covers or rear main seal. These are well-documented in Renault service bulletins and owner reports, with the DMF being the most prevalent major repair.

This unique 2.2L V6 diesel was fitted exclusively to the Renault Laguna I (Phase 2, 1998-2001) and the Renault Safrane (1998-2000). It was marketed as the '2.2 dT' and was Renault’s flagship diesel engine at the time, offering a smooth and powerful alternative to four-cylinder diesels.

Yes, the L7X 713 responds well to ECU remapping. A stage 1 remap can safely increase power to around 170-180 PS and torque to 350-370 Nm. The engine and turbo are generally robust enough for these gains. However, the DMF is the weak link; upgrading to a single-mass flywheel (SMF) conversion is highly recommended for any tuned application to ensure reliability.

Moderate for its size and performance. In a Laguna I 2.2 dT, expect around 7.5-8.5 L/100km (38-33 mpg UK) on a combined cycle. The Safrane, being heavier, might return 8.0-9.0 L/100km (35-31 mpg UK). Real-world economy is highly dependent on driving style, as the V6 encourages a more relaxed, higher-speed cruising style.

Yes. The L7X 713 is an interference engine. If either of the timing chains were to fail, the pistons would collide with the open valves, causing catastrophic internal engine damage. Fortunately, the chains are very durable with proper oil maintenance and rarely fail if serviced correctly.

Renault specifies RN0700 specification oil, typically 10W-40. This is a conventional high-detergent oil suitable for the Bosch VP44 injection pump. Using a lower viscosity oil can lead to pump failure. Change intervals should not exceed 15,000 km or 1 year to ensure optimal engine and pump protection.

Research Resources

Comprehensive technical documentation and regulatory references

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Transparency in Gaps

If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

RENAULT Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

Data Compilation

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialRENAULT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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