The Family 0 is a family of inline piston engines that was developed by

Opel Opel Automobile GmbH (), usually shortened to Opel, is a German automobile manufacturer which has been a subsidiary of Stellantis since 16 January 2021. It was owned by the American automaker General Motors from 1929 until 2017 and the PSA Gr ...

, at the time a subsidiary of

General Motors General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. The company is most known for owning and manufacturing f ...

. It was developed as a low-displacement engine for use on entry-level subcompact cars from

Vauxhall Vauxhall ( , ) is an area of South London, within the London Borough of Lambeth. Named after a medieval manor called Fox Hall, it became well known for the Vauxhall Pleasure Gardens. From the Victorian period until the mid-20th century, Va ...

. These engines feature a light-weight

cast-iron Cast iron is a class of iron–carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its car ...

semi-closed deck engine block with an

aluminum Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...

cylinder head. The valvetrain consists of chain-driven hollowcast dual overhead camshafts (DOHC) that actuate 4-valves per cylinder via roller finger followers with hydraulic tappets. These engines also feature a bore spacing and fracture-split connecting rods. Later versions also incorporate a variable length intake manifold (VLIM) and variable valve timing (VVT). Originally debuting as either a straight-3 or straight-4; a I4 variant was added with the introduction of the second generation, replacing the 1.4 L Family 1 engine. The ''Family 0'' engines were produced by Opel Wien in

Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...

/ Aspern (Austria), by GM in Bupyeong (Korea) and Flint (Michigan, USA).

Generation I

The engine was first introduced in the 1996 Opel Corsa, either as a three-cylinder or as a four-cylinder version. This was Opel's first three-cylinder engine. Applications: * 2000-2004 Opel/Vauxhall Agila * 1998-2003 Opel/Vauxhall Astra G * 1996-2000 Opel/Vauxhall Corsa B * 2000-2004 Opel/Vauxhall Corsa C

Generation II

The second generation Family 0 began production in November 2002. It is an updated version of the Family 0 engine and features TwinPort technology – twin intake ports with a choke closing one of the ports at low RPM, providing strong air swirl pattern for higher torque levels and better fuel economy. The

crankshaft A crankshaft is a mechanical component used in a reciprocating engine, piston engine to convert the reciprocating motion into rotational motion. The crankshaft is a rotating Shaft (mechanical engineering), shaft containing one or more crankpins, ...

and oil galleries were also redesigned to lower power loss; thereby increasing fuel economy. Applications: * 2003-2010 Opel/Vauxhall Combo C * 2003-2006 Opel/Vauxhall Corsa C/ Holden Barina (XC) * 2006-2014 Opel/Vauxhall Corsa D * 2004-2009 Opel/Vauxhall Tigra TwinTop * 2004-2010 Opel/Vauxhall Astra H * 2005-2009 Opel/Vauxhall Astra G Classic models * 2003-2007 Opel/Vauxhall Agila * 2004-2010 Opel/Vauxhall Meriva A

Generation III

The EcoFlex engine is a version of the TwinPort tuned to provide better fuel economy and lower emissions. The 1.4 L engine was introduced in 2008 and the 1.0 L engine in 2010. For model year 2012, the EcoFlex engines have been updated with double cam phasing (DCVCP) in a ''Gen III'' block. Certain Opel and US-market Chevrolet versions of the

Delta II Delta II was an expendable launch system, originally designed and built by McDonnell Douglas, and sometimes known as the Thorad Delta 1. Delta II was part of the Delta rocket family, derived directly from the Delta 3000, and entered service in ...

platform compact cars use a

turbocharged In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the ...

version of the 1.4 L engine with double variable cam phasing (DCVCP); in the future, an optional

gasoline direct injection Gasoline direct injection (GDI), also known as petrol direct injection (PDI), is a fuel injection system for internal combustion engines that run on gasoline (petrol) which injects fuel directly into the combustion chamber. This is distinct f ...

system will be introduced. Opel versions feature Start&Stop system from 2011 and a ''Gen III'' block; a lower-power 120 ps version has been introduced as well. For model year 2013, the overboost to has been added. {, class=wikitable , - !Name!!Displacement!!Configuration!!Bore!!Stroke!!Compression Ratio!!Power!!Torque , - , , ''A10XEP'' (LDB), , rowspan=1, , , rowspan=1, I3, , rowspan=7, , , rowspan=1, , , rowspan=7, 10.5:1, , at 5300 rpm, , at 4000 rpm , - , , ''A12XEL'' (LWD), , rowspan=2, , , rowspan=11, I4, , rowspan=2, , , at 5600 rpm, , rowspan=2, at 4000 rpm , - , , ''A12XER'' (LDC), , at 5600 rpm , - , , ''A14XFL'' (LUU), , rowspan=4, , , rowspan=9, , , at 4800 rpm, , at 4800 rpm , - , , ''A14XEL'' (L2Z), , at 6000 rpm, , rowspan=3, at 4000 rpm , - , , ''A14XER'' (LDD), , rowspan=2, at 6000 rpm , - , , ''A14XFR'' (L2N) , - , , ''A14NEL/B14NEL'' (LUH), , rowspan=5, , , rowspan=5, , , rowspan=5, 9.5:1, , at 4800–6000 rpm, , , - , , ''A14NET'' (LUJ), , rowspan=2, at 4900–6000 rpm, , rowspan=2, , - , , ''U14NFT'' (LUJ) , - , , ''U14NFT'' (LUV), , at 4900 rpm, , at 1850 or 2500 rpm , - , , ''B14NEH'' (LUJ), , at 4900-5500 rpm, , {{ubl , {{cvt, 220, Nm, lbft, 0 at 2750-4500 rpm , - Turbomotor

Applications: *2011–2019 Opel/Vauxhall Corsa *2009–2015 Opel/Vauxhall Astra J *2010–2017 Opel/Vauxhall Meriva B *2011–2019 Opel/Vauxhall Zafira Tourer *2011–2015 Chevrolet Cruze *2016 Chevrolet Cruze Limited *2010–2015 Chevrolet Volt / Opel/Vauxhall Ampera *2012–2020 Chevrolet Aveo/Sonic *2013–2019 Opel Adam *2013–2016 Cadillac ELR *2013–present Buick Encore / Opel Mokka *2014-present Chevrolet/Holden Trax *2017–2019 Vanderhall Venicehttps://vanderhallusa.com/venice/ (d/l 10-Jul-2019) *2016- Roewe e950 *2013-2015 Chevrolet Spin

References

{{reflist {{commons cat {{GM late engine timeline Family 0 Straight-three engines Straight-four engines Gasoline engines by model