Engine Opel Z17DTH

The 1.7-liter Opel Z17DTH or LPZ diesel engine was produced from 2003 to 2010 and was installed on a number of such popular concern models as Astra, Corsa, Combo and Meriva. This unit was equipped with fuel equipment manufactured by both Bosch and Denso.

The Z family also includes engines: Z13DTJ, Z13DTH, Z19DT, Z19DTH.

The engine was installed on:

  • Opel Astra H (A04) in 2004 – 2007;
  • Opel Combo C (F06) in 2004 – 2010;
  • Opel Corsa C (X01) in 2003 – 2006;
  • Opel Meriva A (X03) in 2003 – 2005.


Production years 2003-2010
Displacement, cc 1686
Fuel system Common Rail
Power output, hp 101
Torque output, Nm 240
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 79
Piston stroke, mm 86
Compression ratio 18.2
Features intercooler
Hydraulic lifters no
Timing drive belt
Phase regulator no
Turbocharging VGT
Recommended engine oil 5W-30
Engine oil capacity, liter 5.0
Fuel type diesel
Euro standards EURO 4
Fuel consumption, L/100 km (for Opel Astra 2005)
— city
— highway
— combined
Engine lifespan, km ~400 000
Weight, kg 170

Disadvantages of the Z17DTH engine

  • The most famous engine problem in the leakage of rubber injector sleeve seals;
  • Sometimes these sleeves, as well as the heat exchanger, corrode low-quality antifreeze;
  • In second place are all kinds of breakdowns in the Common Rail fuel system;
  • The turbine often fails in the range of 150 – 250 thousand kilometers;
  • As with any diesel engine, the diesel particulate filter and EGR valve require regular cleaning.

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