GM Family Z engine

Last updated
Family Z engine
Overview
Manufacturer General Motors
Production2010-2015
Layout
Configuration Inline-4
Displacement
  • 2.0 L; 121.9 cu in (1,998 cc)
  • 2.2 L; 136.1 cu in (2,231 cc)
Cylinder bore 86 mm (3.39 in)
Piston stroke
  • 86 mm (3.39 in)
  • 96 mm (3.78 in)
Cylinder block material Cast iron
Cylinder head material Aluminum
Valvetrain DOHC
Compression ratio 16.3:1, 16.5:1
Combustion
Turbocharger Variable-geometry
Fuel system Common rail direct injection
Fuel type Diesel
Oil system Wet sump
Cooling system Water-cooled
Output
Power output 96–135 kW (131–184 PS; 129–181 hp)
Torque output 315–400  N⋅m (232–295  lb⋅ft)
Chronology
Predecessor VM Motori RA 420
Successor GM Family B engine

The GM Family Z engine is a turbocharged common rail diesel engine produced by General Motors Korea since 2010. It replaced VM Motori RA 420 diesel engine in a number of GM applications, such as the diesel versions of vehicles sold as Chevrolet made for North America, Daewoo made for Korea, Opel made for Europe and Holden made for Australia.

Contents

The engine features chain driven DOHC valvetrain with hydraulic tensioners, twin balance shafts in the oil pump and electronically controlled variable-geometry turbocharger; the common rail system operates at pressures of up to 1,800 bar (26,000 psi), maximum in-cylinder pressure is 180 bar (2,600 psi), improving on power and torque. Compression ratio is 16.5:1.

For 2012, compression ration is reduced to 16.3:1, and a new intake port increases air flow and swirl control, improving nitrogen oxide (NOx) emissions and performance. [1]

Chevrolet Captiva/Opel Antara

DisplacementPowerTorqueCode/RPOYears
2.0 L (1,998 cc) VCDi120 kW (163 PS; 161 hp) at 3800 rpm

360 N⋅m (266 lb⋅ft) at 2000 rpm

Z20D1, LNP2011–2015 (Chevrolet)
2010-2013 (Opel)

2.2 L (2,231 cc) VCDi

120 kW (163 PS; 161 hp) at 3800 rpm

360 N⋅m (266 lb⋅ft) at 2000 rpm

A22DM, LNQ/LNR
135 kW (184 PS; 181 hp) at 3800 rpm400 N⋅m (295 lb⋅ft) at 2000 rpmA22DMH, LNQ/LNS

Chevrolet Cruze

DisplacementPowerTorqueYears
2.0 L (1,998 cc)VCDi120 kW (163 PS; 161 hp) @ 3800 rpm360 N⋅m (266 lb⋅ft) @ 1750-2750 rpm2011–2015

Chevrolet Malibu

DisplacementPowerTorqueYears
2.0 L (1,998 cc)VCDi120 kW (163 PS; 161 hp) @ 4000 rpm350 N⋅m (258 lb⋅ft) @ 1750 rpm2012–2015

Chevrolet Orlando

DisplacementPowerTorqueYears
2.0 L (1,998 cc)VCDi120 kW (163 PS; 161 hp) @ 3800 rpm350 N⋅m (258 lb⋅ft) @ 2000 rpm2012–2015
96 kW (131 PS; 129 hp) @ 3800 rpm315 N⋅m (232 lb⋅ft) @ 2000 rpm

References

  1. "General Motors India Launches All-New Chevrolet Cruze". Media.gm.com. 27 June 2012. Archived from the original on June 30, 2012. Retrieved 24 May 2018.