Engine Jeep EXA

The 3.1-liter 5-cylinder Jeep EXA diesel engine was produced from 1999 to 2001 and was installed only on the popular Grand Cherokee WJ SUV before restyling. Such a diesel engine was developed by the Italian company VM Motori and is also known as 531 OHV.

The VM Motori series includes: ENC, ENJ, ENS, ENR, EXF, EXJ, EXN, EXA.


Production years 1999-2001
Displacement, cc 3125
Fuel system prechamber
Power output, hp 140
Torque output, Nm 385
Cylinder block cast iron R5
Block head aluminum 10v
Cylinder bore, mm 92
Piston stroke, mm 94
Compression ratio 21
Features OHV
Hydraulic lifters yes
Timing drive gears
Phase regulator no
Turbocharging MHI TF035
Recommended engine oil 5W-30
Engine oil capacity, liter 7.8
Fuel type diesel
Euro standards EURO 1
Fuel consumption, L/100 km (for Jeep Grand Cherokee 2000)
— city
— highway
— combined
Engine lifespan, km ~300 000

The engine was installed on:

  • Jeep Grand Cherokee 2 (WJ) in 1999 – 2001.

Disadvantages of the EXA engine

  • Firstly, this is a rather rare diesel engine, it was installed on the Grand Cherokee for three years and that’s it;
  • Secondly, here each cylinder has a separate head and they often crack;
  • And thirdly, these heads need to be stretched periodically or oil leaks will appear;
  • The turbine is distinguished by a low resource, often it drives oil already to 100,000 km;
  • Also, many owners complain about loud noise, vibration.

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