The Renault Z7V 711 is a 2,946 cc, V6 naturally aspirated petrol engine produced between 1996 and 2002. It features multi‑point fuel injection, dual overhead camshafts (DOHC), and 24 valves. In standard form it delivered 147 kW (200 PS) and 285 Nm of torque, engineered for smooth high‑rpm performance and refined cruising.
Fitted to models such as the Renault Laguna I, Safrane, and Espace III, the Z7V 711 was designed for executive and premium MPV applications requiring qui…
All production years 1996–2002 meet Euro 2 standards (VCA UK Type Approval #VCA/EMS/2187).
The Renault Z7V 711 is a 2,946 cc V6 naturally aspirated petrol engine engineered for executive sedans and premium MPVs (1996–2002). It combines DOHC valvetrain with sequential multi‑point injection to deliver smooth high‑rpm power and refined highway cruising. Designed to meet Euro 2 standards, it balances performance with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,946 cc | |
Fuel type | Petrol | |
Configuration | V6, DOHC, 24‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 87.0 mm × 82.6 mm | |
Power output | 147 kW (200 PS) | |
Torque | 285 Nm @ 4,500 rpm | |
Fuel system | Sequential multi‑point injection (Bosch Motronic 5.2) | |
Emissions standard | Euro 2 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain (front‑mounted, dual) | |
Oil type | Renault RN0700 (SAE 10W‑40) | |
Dry weight | 178 kg |
The Renault Z7V 711 was used across Renault's executive and premium MPV platforms with longitudinal mounting. This engine received platform-specific adaptations—reinforced subframes in the Espace III and revised exhaust manifolds in the Laguna I—and from 1999 the aluminium thermostat housing, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The Z7V 711's primary reliability risk is coolant leakage from the early plastic thermostat housing, with elevated incidence in vehicles subjected to frequent thermal cycling. Renault internal data from 2000 indicated a significant portion of pre‑1999 housings developed leaks before 100,000 km, while UK DVSA records show minimal emissions‑related MOT failures due to robust catalytic converter design. Thermal stress and coolant maintenance make housing integrity critical.
Analysis derived from Renault technical bulletins (1998–2002) and UK DVSA failure statistics (2010–2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The Z7V 711 offers smooth V6 performance and refined operation, but early models (1996–1998) had thermostat housing coolant leak concerns. Later revisions (post-1999) eliminated this issue with an aluminium housing. Regular oil changes with RN0700 oil and timely cooling system maintenance greatly enhance longevity.
Top issues include coolant leaks from the early plastic thermostat housing, timing chain tensioner wear, ignition coil pack failure, and intake manifold gasket leaks. These are well-documented in Renault service bulletins 05 03 08 and 05 06 12, particularly in high-mileage executive vehicles.
This 3.0L V6 powered the Renault Laguna I (1996–2001), Safrane (1996–2000), and Espace III (1996–2002). All applications are Euro 2-compliant executive sedans and premium MPVs with longitudinal engine mounting.
Limited tuning potential exists. Stage 1 remaps typically yield +8–12 kW, but the stock fuel system and intake are near design limits. Aggressive tuning increases thermal stress on ignition and cooling systems. Most owners avoid tuning due to age-related component fragility.
In a Renault Laguna 3.0 V6, real-world consumption is ~12.5 L/100km (urban) and ~8.2 L/100km (highway), or about 23 mpg UK combined. Fuel economy varies with load and driving style; expect 20–26 mpg UK in mixed use.
Yes. The Z7V series uses an interference design. If either timing chain fails or jumps, piston-to-valve contact can cause internal damage. However, the dual front-mounted chains are generally robust with proper maintenance.
Renault specifies 10W-40 mineral or semi-synthetic oil meeting RN0700 standard. Always use OEM-approved oil and change every 15,000 km or annually to protect timing chains and camshafts from wear.
Comprehensive technical documentation and regulatory references
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RENAULT Official Site
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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.
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
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VCA Certification Portal
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