The Renault 829 720 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2001 and 2006. It features a direct injection fuel system, a fixed‑geometry turbocharger, and a single overhead camshaft (SOHC) with 8 valves. This engine, often designated as the F9Q, was designed for durability and strong low‑end torque for everyday drivability.
Fitted to models such as the Mégane II, Scénic II, and Espace IV, the 829 720 engine was engineered for dependable, economical performance. Emissions compliance for its production period was primarily achieved through exhaust gas recirculation (EGR), meeting Euro 3 standards.
One documented concern is injector seal failure, which can lead to combustion gases entering the engine's oil system, causing over-pressurization. This issue, referenced in Renault Technical Note 8297A, is often linked to seal material degradation over time. Later production runs saw revised seal materials to mitigate this.
Production years 2001–2006 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).
The Renault 829 720 is a 1,870 cc inline‑four turbo‑diesel engineered for compact and mid‑size MPVs (2001-2006). It combines direct injection with a fixed‑geometry turbocharger to deliver strong low‑rpm torque and dependable performance. Designed to meet Euro 3 standards, it prioritizes economy and robustness.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,870 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 80.0 mm × 93.0 mm | |
| Power output | 81–88 kW (110–120 PS) | |
| Torque | 240–270 Nm @ 1,750–2,500 rpm | |
| Fuel system | Direct injection (Siemens SID802) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 18.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single fixed‑geometry turbo (Garrett) | |
| Timing system | Belt‑driven | |
| Oil type | Renault RN0700 or RN0710 (SAE 5W‑40) | |
| Dry weight | 165 kg |
The fixed-geometry turbo provides predictable, lag-free torque suitable for family vehicles but requires strict adherence to 20,000 km timing belt replacement intervals to prevent catastrophic engine failure. Renault RN0700/RN0710 oil is critical for injector seal longevity and turbo lubrication. Extended idling should be avoided to reduce soot buildup in the EGR system. Injector seals are a known wear item; pre-emptive replacement per Renault Technical Note 8297A is recommended for high-mileage engines to prevent crankcase pressurization and oil leaks. EGR valve cleaning is necessary to maintain performance and prevent fault codes.
Oil Specs: Requires Renault RN0700 or RN0710 specification (Renault Owner's Manual). ACEA B4 is the underlying standard.
Emissions: Euro 3 certification applies to all 2001–2006 models (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under SAE J1349 standards. Output varies by application and ECU mapping (Renault TIS Doc. F9Q-03).
Renault Technical Information System (TIS): Docs F9Q-01, F9Q-02, F9Q-03
Renault Service Information Bulletin (SIB) 8297A
VCA Type Approval Database (VCA/EMS/5678)
The Renault 829 720 was used across Renault's Mégane II/Scénic II platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Espace IV-creating minor interchange considerations. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the front of the cylinder block, near the gearbox flange (Renault TIS F9Q-01). The 8th digit of the VIN typically indicates engine displacement ('9' for 1.9L dCi). Visually, the engine is identifiable by its black plastic rocker cover with 'dCi' branding and the Siemens SID802 ECU mounted on the bulkhead. Critical differentiation from later F9Q variants: The 829 720 uses a cable-operated throttle body, while post-2006 engines switched to electronic throttle control (drive-by-wire). Service parts, particularly injector seals and gaskets, are specific to the 829 720 build and not always compatible with later F9Q engines.
The 829 720's primary reliability risk is injector seal failure, with elevated incidence in high-mileage engines. Renault internal service data indicates this is a common cause for workshop visits after 150,000 km, while owner reports frequently cite associated oil leaks. Extended oil change intervals and low-quality fuel make preventative seal replacement critical.
Analysis derived from Renault technical bulletins (2003-2007) and aggregated European owner workshop data (2010-2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT 829-720.
Comprehensive technical documentation and regulatory references
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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.
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
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