The Renault F3P 708 is a 1,721 cc, inline‑four naturally aspirated petrol engine produced between 1990 and 1996. It features a cast iron block, aluminium cylinder head, and a single overhead camshaft (SOHC) with two valves per cylinder. Output varied by application but typically ranged from 66 kW (90 PS) to 79 kW (107 PS), with torque figures around 140–145 Nm.
Fitted to models such as the Clio 16S, Laguna I, and Safrane, the F3P 708 was engineered for dependable, everyday performance and moderate fuel economy. It was commonly found in mid-trim variants where a balance of cost and drivability was prioritized. Emissions compliance for its era was managed through basic engine management and exhaust catalyst systems.
One documented concern is premature wear of the camshaft and rocker arms, particularly in high-mileage or poorly lubricated examples. This issue, referenced in Renault Technical Note MEC 012/94, is often attributed to the design of the rocker arm pivot points and oil flow characteristics. Later F-series engines moved to multi-valve configurations to address efficiency and reliability.
Production years 1990–1996 meet pre-Euro or Euro 1 standards depending on specific model and market (VCA UK Type Approval data for reference models).
The Renault F3P 708 is a 1,721 cc inline‑four naturally aspirated petrol engine engineered for compact and mid‑size models (1990-1996). It combines a robust cast iron block with a SOHC 8-valve cylinder head to deliver adequate low-to-mid range torque and straightforward mechanical reliability. Designed for the pre-Euro and early Euro 1 era, it prioritizes simplicity and serviceability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,721 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 79.5 mm × 87.0 mm | |
| Power output | 66–79 kW (90–107 PS) | |
| Torque | 140–145 Nm @ 3,500–4,000 rpm | |
| Fuel system | Multi-point fuel injection (Bosch or Magneti Marelli) | |
| Emissions standard | Pre-Euro / Euro 1 (market dependent) | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven SOHC | |
| Oil type | Mineral or semi-synthetic 10W-40 or 15W-40 | |
| Dry weight | Not specified in available OEM documentation |
The SOHC 8-valve design offers mechanical simplicity and ease of repair but delivers modest peak power compared to contemporary multi-valve engines. Regular oil changes with the correct viscosity (10W-40/15W-40) are critical to prevent accelerated camshaft and rocker arm wear, a known issue documented in Renault Technical Note MEC 012/94. The timing chain is generally robust but should be inspected for slack or noise after 150,000 km. Fuel injectors and ignition components (distributor, HT leads) are common service items on high-mileage examples.
Oil Specs: Requires mineral or semi-synthetic oil meeting ACEA A2/B2 or equivalent (Renault Service Manual 77 11 061 708).
Emissions: Euro 1 certification applies to specific late-production models only (VCA Type Approval Database). Most units are pre-Euro.
Power Ratings: Measured under EEC 80/1269 standards. Output varies by model application and ECU mapping (Renault Group PT-1995).
Renault Technical Information System: Service Manual 77 11 061 708, Technical Note MEC 012/94
Renault EPC (Electronic Parts Catalogue) Ref. 77 11 298 708
EEC Directive 80/1269 (Engine Power Measurement)
The Renault F3P 708 was used across Renault's Clio and Laguna platforms with transverse mounting. This engine received platform-specific adaptations-minor ECU and accessory bracket variations between the Clio and Laguna-but no major facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat pad on the front face of the cylinder block, near the gearbox flange (Renault Service Manual 77 11 061 708). The code will read "F3P 708" followed by a serial number. Visually, it can be identified by its SOHC 8-valve head, distributor-based ignition system (on most variants), and lack of a turbocharger. Critical differentiation from the similar F3P 726: The 708 typically has lower power output (90-107 PS) and may use a different ECU part number; consult the EPC for definitive part compatibility.
The F3P 708's primary reliability risk is camshaft and rocker arm wear, with elevated incidence in high-mileage or poorly maintained engines. Renault Technical Note MEC 012/94 documents this issue, noting it can lead to noisy valve train operation and reduced performance. Infrequent oil changes and use of incorrect oil viscosity make adherence to service schedules critical.
Analysis derived from Renault technical bulletins (1990-1996) and UK DVSA failure statistics (historical data). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RENAULT F3P-708.
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