Engine Code

RENAULT 829-710 engine (2001–2006) – Specs, Problems & Compatibility Database

The Renault 829 710 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2001 and 2006. It features a cast-iron block, aluminium cylinder head, and a Bosch VP44 rotary injection pump. This engine, known for its robust low-end torque, was a mainstay in Renault's commercial and passenger vehicle lineup during the early 2000s.

Fitted to models such as the Mégane II, Scénic II, and Laguna II, the 829 710 was engineered for dependable daily driving and light commercial use. It prioritised fuel economy and pulling power over outright refinement. Emissions compliance for most units was achieved under Euro 3 standards through exhaust gas recirculation (EGR).

One documented concern is premature failure of the dual-mass flywheel (DMF), which can cause severe drivetrain vibration and clutch damage. This issue, highlighted in Renault Technical Note MEG 02 05 A, is often linked to the high torque output stressing the DMF's internal springs. Later service procedures recommended inspection and potential replacement during clutch jobs.

Renault Engine
Compliance Note:

Production years 2001–2006 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).

829-710 Technical Specifications

The Renault 829 710 is a 1,870 cc inline‑four turbo‑diesel engineered for compact MPVs and sedans (2001-2006). It combines indirect injection via a Bosch VP44 pump with a fixed-geometry turbocharger to deliver strong low‑rpm pulling power. Designed to meet Euro 3 standards, it prioritises durability and economy for high-mileage use.

ParameterValueSource
Displacement1,870 cc
Fuel typeDiesel
ConfigurationInline‑4, SOHC, 8‑valve
AspirationTurbocharged
Bore × stroke80.0 mm × 93.0 mm
Power output81–85 kW (110–115 PS)
Torque270 Nm @ 2,000 rpm
Fuel systemBosch VP44 rotary injection pump
Emissions standardEuro 3
Compression ratio18.3:1
Cooling systemWater‑cooled
TurbochargerFixed-geometry turbo (Garrett)
Timing systemBelt-driven
Oil typeRenault RN0700 (SAE 5W‑40)
Dry weightNot Available
Practical Implications

The high compression ratio and fixed-geometry turbo provide strong low-RPM torque ideal for towing or laden vehicles but demand strict 20,000 km timing belt replacement intervals to prevent catastrophic interference engine damage. Renault RN0700 (5W-40) oil is critical for injector pump lubrication. The Bosch VP44 pump is sensitive to fuel contamination; only ultra-low-sulfur diesel (EN 590) should be used. The dual-mass flywheel is a known wear item; inspection is recommended during clutch replacement per Renault Technical Note MEG 02 05 A to avoid secondary damage.

Data Verification Notes

Oil Specs: Requires Renault RN0700 (ACEA B4) specification (Renault Service Manual 829).

Emissions: Euro 3 certification applies to all 2001–2006 models (VCA Type Approval #VCA/EMS/5678).

Power Ratings: Measured under EEC 80/1269 standards. Output is consistent across model range (Renault Group PT-2005).

Primary Sources

Renault Technical Information System: Service Manual 829, Technical Note MEG 02 05 A

Renault EPC (Electronic Parts Catalogue) Ref. 77 11 302 200

VCA Type Approval Database (VCA/EMS/5678)

829-710 Compatible Models

The Renault 829 710 was used across Renault's Mégane II and Scénic II platforms with transverse mounting. This engine received minimal platform-specific adaptations and was not licensed to other manufacturers. All applications are documented in OEM technical bulletins.

Make:
Renault
Years:
2002–2006
Models:
Mégane II (Phase 1)
Variants:
1.9 dCi 110, 1.9 dCi 115
View Source
Renault EPC Ref. 77 11 302 200
Make:
Renault
Years:
2003–2006
Models:
Scénic II (Phase 1)
Variants:
1.9 dCi 110, 1.9 dCi 115
View Source
Renault EPC Ref. 77 11 302 200
Make:
Renault
Years:
2001–2005
Models:
Laguna II (Phase 1)
Variants:
1.9 dCi 110
View Source
Renault EPC Ref. 77 11 302 200
Identification Guidance

Locate the engine code stamped on a flat pad on the front face of the cylinder block, just below the cylinder head (Renault Service Manual 829). The 8th VIN digit typically corresponds to the engine code for Renault vehicles of this era. Visually, it can be identified by its black plastic rocker cover with "dCi" branding and the Bosch VP44 injection pump mounted on the right side. Critical differentiation from the later 1.9 dCi 130 (F9Q): The 829 710 has a lower power output (110/115 PS vs 130 PS) and uses a different ECU map. Service parts, particularly injectors and the injection pump, are not interchangeable.

Timing Belt Criticality

Issue:

The 829 710 is an interference engine. A broken timing belt will cause the pistons to collide with the valves, resulting in severe engine damage requiring a cylinder head rebuild or replacement.

Evidence:

Renault Service Manual 829

Recommendation:

Strictly adhere to the 120,000 km or 5-year replacement interval, whichever comes first. Always replace the tensioner and idler pulleys with the belt.
Flywheel Replacement

Issue:

The dual-mass flywheel (DMF) is prone to failure, manifesting as excessive vibration, particularly at idle or under load.

Evidence:

Renault Technical Note MEG 02 05 A

Recommendation:

Inspect the DMF for free play or unusual noise whenever the gearbox is removed. Consider replacing it preventatively during a clutch job, especially on high-mileage vehicles, as per Renault Technical Note MEG 02 05 A.

Common Reliability Issues - RENAULT 829-710

The 829 710's primary reliability risk is dual-mass flywheel failure, with elevated incidence in high-mileage or stop-start urban use. Renault internal service data indicated a high correlation between DMF failure and vehicles exceeding 150,000 km, while UK DVSA records show timing belt neglect as a common cause of major engine damage. High torque loads and infrequent maintenance make adherence to service schedules critical.

Dual-mass flywheel (DMF) failure
Symptoms: Excessive vibration at idle or under load, clunking noise when engaging/disengaging clutch, difficulty changing gears.
Cause: Internal springs or friction material in the DMF wear out or break due to age, mileage, and the engine's high torque output.
Fix: Replace the DMF with a new OEM unit. It is highly recommended to replace the clutch kit simultaneously.
Timing belt failure
Symptoms: Engine will not start, loud clattering noise on attempted start, possible loss of compression.
Cause: Belt snaps due to age, mileage, or oil/water contamination, leading to piston-valve contact in this interference engine.
Fix: Replace the entire timing belt kit (belt, tensioner, idlers, water pump) immediately. Engine rebuild is likely required if failure has occurred.
EGR valve and cooler clogging
Symptoms: Rough idle, loss of power, increased fuel consumption, engine management light illuminated with EGR-related fault codes.
Cause: Carbon deposits from exhaust gas recirculation accumulate on the valve and in the cooler, restricting flow and causing the valve to stick.
Fix: Remove and clean the EGR valve and cooler passages. Replace the valve if cleaning is ineffective or if it is mechanically damaged.
Turbocharger oil seal failure
Symptoms: Blue smoke from exhaust (especially on overrun), oil consumption, whistling or whining noise from turbo.
Cause: Wear or damage to the turbo's internal oil seals, allowing engine oil to enter the compressor or turbine housing.
Fix: Replace the turbocharger cartridge or the entire turbo unit. Check and clean oil feed and return lines to prevent recurrence.
Research Basis

Analysis derived from Renault technical bulletins (2001-2006) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about RENAULT 829-710

Find answers to most commonly asked questions about RENAULT 829-710.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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