The Renault Modus Initiale - Engine Options | Part Four

Renault leading the way in technology

The Modus 1.5 dCi 106 will be available to order from the middle of May in three trim levels, Dynamique at £12,850 - which includes air conditioning as standard - as well as Privilège at £13,450 and the new Initiale trim at £15,150.

The new dCi 106 engine heads up an already exceptional diesel line-up with existing dCi 68 and 86 Euro IV diesel engines. The dCi 68 IF Euro IV is available in Authentique and Expression trim levels whilst Modus dCi 86 IF Euro IV is available in Expression, Dynamique, Privilége and new Initiale trim levels. Prices range from £10,250 to £14,450.

Modus 1.5 dCi 106 features the all-new six-speed manual gearbox which is the third Alliance powertrain and was jointly developed by Renault and Nissan engineers. It features all the latest technological innovations: piezo-electric injectors, multi-injection, special piston geometry and a twin-mass damping flywheel. Boasting excellent driveability, the engine meets Euro 4 emission standards.

This version of the 1.5 dCi 106 engine carries over all the technologies that made the 100hp version so successful in the Clio and Mégane (second-generation common rail, multi-vane variable-nozzle turbocharger, 1600 bar injection pressure) and adds a few more. The solenoid injectors on the 100hp version give way to six-hole piezo-electric injectors on the new unit. Siemens piezo-electric technology makes multi-injection a viable proposition: with the tuning adopted, the response of the new injectors (four times quicker than a solenoid injector) is fast enough for three injections per cycle: pilot, main and post. With dosing even more precise than before, the pilot injection stage improves acoustics by minimising the diesel clatter effect, especially at idle speed.

The post-injection stage helps cut down on pollutant emissions by burning off the soot produced during combustion. The new engine thus achieves benchmark fuel consumption and pollutant emission performance for this vehicle category: 124g of CO2/km in a combined cycle on Modus. Another major upgrade concerns piston geometry, which also contributes to compliance with the Euro 4 emission standards.

Vehicle acoustics are further improved by using a twin-mass damping flywheel, which cuts out booming noise at low engine speeds. Noise is further reduced by the specially developed wide-faced cylinder block and fourth powertrain mounting point. And multi-injection technology (with the pilot injection stage in particular) cuts down combustion noise.

The 1.5 dCi 106 engine is assembled at the Renault plant in Valladolid, Spain.

continues... | Part Five
Published 26 April 2005 Melanie Carter

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