GM Ecotec Diesel (1997)

Last updated
GM Ecotec 2.0DTI/2.2DTI
Overview
Manufacturer General Motors
Production1997-2005
Layout
Configuration Inline-4
Displacement 2.0–2.2 L (1,995–2,172 cc)
Cylinder head material Aluminium
Valvetrain SOHC 4 valves x cyl.
Combustion
Operating principle Diesel
Turbocharger Garrett, Variable Geometry for 2.2 from 2001, intercooler
Fuel system Direct injection
Fuel type Diesel
Oil system Wet sump
Cooling system Water-cooled
Output
Power output 61–92 kW (83–125 PS; 82–123 hp)
Emissions
Emissions target standard Euro 3
Chronology
Successor Fiat JTD engine (CDTI)

GM referred to many of its diesel engines as Ecotec including the GM Medium Diesel engine (2013 onwards) and the Isuzu-derived Circle L engine. This page describes the SOHC 16 valve turbocharged engines which GM introduced in 1997. [1] and which were used extensively in its European models.

Contents

The engines used a single chain-driven camshaft and an aluminium cylinder head with a Bosch rotary high pressure injection pump. [2]

Variants

The 2.0 engine was available in two different power outputs, badged by Vauxhall Di and DTi, the lower powered version retaining 16 valves and a turbocharger, but lacking the intercooler. [3] The lower powered 82 hp (61 kW) version was soon replaced by the smaller and unrelated 1.7 litre Circle L engine. The higher powered version produced 100 hp (75 kW) and 230 N⋅m (170 lb⋅ft) of torque. [2]

The 2.2 engine was introduced as a 115 hp (86 kW) unit, but in late 2000 was updated to 125 hp (93 kW) with 280 N⋅m (207 lb⋅ft) of torque from just 1,500 rpm, rather than the previous 260 N⋅m (192 lb⋅ft) from 1,900 rpm. The update also included changes to the camshaft and pistons, and the newer unit was smoother. [4] This update also introduced pilot injection [5] and a variable geometry turbocharger [6]

These engines were replaced by the 1.9 litre GM/Fiat JTD [ broken anchor ].

Engine Codes

GM referred to these engines using a six-character code, such as Y20DTH. The first letter is X for Euro 2 engines, and Y for those meeting the Euro 3 emissions standard. The two digits are 20 for 2 litres (actually 1,995 cc), and 22 for 2.2 litres (actually 2,171 cc). The next two letters are always DT. The final letter is L if it lacks an intercooler, H if it has an intercooler, and R if it has both an intercooler and a variable geometry turbocharger.

Saab referred to the engine as a D223L, regardless of whether it was a Y22DTH or a Y22DTR.

Applications

See also

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References

  1. "The Best Darn Diesel We'll Never Drive". Nov 1997.
  2. 1 2 "Zafira brouchure" (Press release). Vauxhall (UK). 2001-09-01.
  3. "Vauxhall Zafira 2.0Di" (PDF). The AA. 1999-11-01. Retrieved 2020-07-19.
  4. "Saab 9-3 TiD". Diesel Car. 2001-01-01.
  5. "SAAB 9-3 Tid - injection pump failure". 2006-04-04. Retrieved 2020-07-19.
  6. "UK: More power and lower emissions for Vauxhall's 2001 engine range" . Retrieved 2020-07-19.
  7. "Car and Accessory Price Guide" (Press release). Vauxhall (UK). 2002-03-13.