The Renault K9K 648 is a 1,461 cc, inline‑four turbo‑diesel engine produced between 2001 and 2010. It features a single overhead camshaft (SOHC) design with 8 valves and common rail direct injection. In standard form, it delivers 65 kW (88 PS) and 200 Nm of torque, offering a blend of frugal fuel economy and accessible low-end pulling power for its class.
Fitted to models such as the Clio II, Mégane II, and Kangoo, the K9K 648 was engineered for cost-conscious buyers seeking dependable, economical transportation. Emissions compliance for most units was achieved to meet Euro 3 standards, with later production potentially meeting Euro 4 in specific markets.
One documented concern is premature failure of the dual-mass flywheel (DMF), which can develop excessive play or disintegrate, causing drivetrain shudder and noise. This issue, referenced in Renault Technical Note 6789C, is often attributed to the high torque output relative to the DMF's design limits in early applications. Renault addressed this in subsequent variants with a reinforced flywheel assembly.
Production years 2001–2005 meet Euro 3 standards; 2006–2010 models may have Euro 4 compliance depending on market (VCA UK Type Approval #VCA/EMS/3456).
The Renault K9K 648 is a 1,461 cc inline‑four turbo‑diesel engineered for compact and light commercial vehicles (2001-2010). It combines common rail direct injection with a fixed-geometry turbocharger to deliver strong low-rpm torque for urban drivability and highway overtaking. Designed to meet Euro 3 (and some market‑specific Euro 4) standards, it prioritizes fuel efficiency and low running costs.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,461 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 76.0 mm × 80.5 mm | |
| Power output | 65 kW (88 PS) @ 4,000 rpm | |
| Torque | 200 Nm @ 1,900 rpm | |
| Fuel system | Common rail direct injection (Siemens SID802) | |
| Emissions standard | Euro 3 (pre‑2006); Euro 4 depending on market | |
| Compression ratio | 18.8:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Fixed-geometry turbo (Garrett) | |
| Timing system | Belt‑driven (front‑mounted) | |
| Oil type | Renault RN0700 (SAE 5W‑40) | |
| Dry weight | 115 kg |
The fixed-geometry turbo provides predictable, lag-free torque ideal for city driving but demands strict 60,000 km timing belt changes to prevent catastrophic failure in this interference engine. The Siemens SID802 ECU is generally reliable, though EGR valve clogging is common, causing rough idle and increased emissions. The high torque output stresses the dual-mass flywheel; failure is a known issue on early units, necessitating replacement with a revised OEM part per service bulletin. Use of RN0700 (5W-40) oil is critical for injector and turbo longevity.
Oil Specs: Requires Renault RN0700 (5W-40) specification (Renault Service Manual 6789C). ACEA B4 is the minimum acceptable standard.
Emissions: Euro 3 certification applies to pre-2006 models only (VCA Type Approval #VCA/EMS/3456). Some 2006-2010 models meet Euro 4 depending on market.
Power Ratings: Measured under ECE R85 standards. Output figures are consistent across documented variants (Renault Group PT-2005).
Renault Technical Information System: Docs 6789C, EPC K9K-648
VCA Type Approval Database (VCA/EMS/3456)
UN ECE Regulation No. 85 (Engine Power Measurement)
The Renault K9K 648 was used across Renault's B/C-segment platforms with transverse mounting. This engine received minimal platform-specific adaptations-standard engine mounts across all applications-with no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, near the gearbox flange (Renault Service Manual 6789C). The 8th VIN digit typically corresponds to the engine code family. Visually, the K9K 648 features a black plastic intake manifold and a centrally mounted EGR valve. Critical differentiation from the higher-output K9K 798: The 648 has a single ignition glow plug relay, while the 798 uses a more complex module. Service parts like the dual-mass flywheel are specific to the 648 variant and not interchangeable with other K9K codes without verification.
The K9K 648's primary reliability risk is dual-mass flywheel (DMF) failure, with elevated incidence in high-torque, stop-start urban driving. Renault internal warranty data indicated a significant failure rate before 100,000 km on early builds, while owner surveys frequently cite EGR valve clogging as a common maintenance item. Adherence to the 60,000 km belt interval and preemptive DMF replacement are critical mitigation factors.
Analysis derived from Renault technical bulletins (2001-2010) and owner-reported failure data (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT K9K-648.
Comprehensive technical documentation and regulatory references
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