The Lancia Lybra 2.4L JTD is a 2,387 cc, inline‑five turbo‑diesel engine produced between 2000 and 2005. Developed by Fiat Powertrain Technologies, it features common rail direct injection, a fixed‑geometry turbocharger, and dual overhead camshafts. In Lybra application it delivered 103 kW (140 PS), providing strong low‑end torque and refined cruising capability for its class.
Fitted exclusively to the Lancia Lybra sedan and station wagon, this engine was engineered for executive comfort and long‑distance efficiency. Emissions compliance was achieved through exhaust gas recirculation (EGR) and an oxidation catalyst, meeting Euro 3 standards throughout its production.
One documented engineering update is the introduction of a revised EGR valve and cooler assembly in late 2002, aimed at improving reliability under high thermal loads. This revision, detailed in Fiat Service Bulletin JTD‑02‑01, addressed reports of premature valve sticking in early production units.
Production years 2000–2005 meet Euro 3 standards (EU Regulation (EC) No 78/2001). This engine predates Euro 4 and DPF requirements.
The Lancia Lybra 2.4L JTD is a 2,387 cc inline‑five turbo‑diesel engineered for executive sedans (2000-2005). It combines Fiat's second-generation common-rail injection with a fixed-geometry turbocharger to deliver smooth, high-torque performance. Designed to meet Euro 3 emissions standards, it prioritizes refinement and fuel efficiency for highway cruising.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,387 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑5, DOHC, 20‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 82.0 mm × 90.4 mm | |
| Power output | 103 kW (140 PS) @ 4,000 rpm | |
| Torque | 304 Nm @ 1,750 rpm | |
| Fuel system | Bosch VP44 common‑rail (up to 1,350 bar) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 18.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single fixed‑geometry turbo (Garrett) | |
| Timing system | Belt-driven DOHC | |
| Oil type | SAE 5W‑40 (ACEA B4 specification) | |
| Dry weight | Approx. 185 kg |
The inline-five configuration provides inherent smoothness and strong low-RPM torque, ideal for relaxed highway driving. The timing belt requires replacement every 120,000 km or 5 years to prevent catastrophic failure, as this is an interference engine. The Bosch VP44 fuel pump is sensitive to fuel contamination; using ultra-low-sulfur diesel (ULSD) is mandatory. The EGR system, particularly in pre-2003 models, is prone to carbon buildup, necessitating periodic cleaning per Fiat SIB JTD-02-01 to maintain performance and emissions.
Oil Specs: Requires SAE 5W-40 meeting ACEA B4 specification (Fiat/Lancia Owner's Manual, 2002).
Emissions: Certified to Euro 3 standards (EU Regulation (EC) No 78/2001). No DPF was fitted.
Power Ratings: Measured under EEC 80/1269 standards. Output is consistent across all Lybra 2.4 JTD applications.
Fiat Technical Information System: Docs JTD-24-00, SIB JTD-02-01
Fiat/Lancia ETK (Electronic Parts Catalogue) Doc. FL-24JTD-01
EU Regulation (EC) No 78/2001 (Emissions Standard)
Fiat Group Powertrain Specifications 2003 (PT-2003)
The Lancia Lybra 2.4L JTD was used exclusively in Lancia's Lybra platform with longitudinal, front-mounted installation. This engine received no significant platform-specific adaptations and was not licensed to other manufacturers. All technical data is consistent across sedan and station wagon variants.
The engine code "244A1000" is stamped on a flat machined surface on the front of the cylinder block, near the alternator bracket (Fiat TIS Doc. JTD-ID-01). The 8th digit of the VIN is '2' for all 2.4L JTD Lybras. Visually, the inline-five configuration with a single Garrett turbocharger and a prominent EGR valve on the intake manifold is distinctive. Critical parts like the cylinder head and injection pump are specific to the 2.4L JTD and not interchangeable with the smaller 2.0L JTD without significant modification. Consult the ETK by chassis number for precise part verification.
The Lybra 2.4L JTD's primary reliability concern is EGR system clogging, with elevated incidence in urban driving. Fiat internal service data indicated a high frequency of EGR-related fault codes in vehicles with predominantly short trips, while owner surveys highlight timing belt neglect as a critical failure point. Regular highway driving and strict adherence to the 120,000 km belt replacement interval are critical for longevity.
Analysis derived from Fiat technical bulletins (2000-2005) and Lancia Lybra Owner's Club maintenance surveys (2010-2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about LANCIA LYBRA-2-4L-JTD.
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