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.
VM Motori family: ENC, ENJ, ENS, ENR, EXF, EXJ, EXN, EXA.
Specifications
| 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 |
14.5 8.7 10.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 275 |
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.
Frequently asked questions about the Jeep EXA
How much power does the Jeep EXA make?
The Jeep EXA develops 140 hp and 385 Nm of torque.
How much oil does the Jeep EXA take and which one?
Engine oil capacity: 7.8 liters. Recommended oil: 5W-30.
Does the Jeep EXA have a timing belt or chain?
Timing drive of the Jeep EXA: gears.
Is the Jeep EXA turbocharged?
Yes, the Jeep EXA is turbocharged (MHI TF035).
Does the Jeep EXA need valve clearance adjustment?
No, the Jeep EXA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Jeep EXA last?
The typical lifespan of the Jeep EXA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Jeep EXA?
Jeep Grand Cherokee 2000: city 14.5, highway 8.7, combined 10.8 L/100 km.
What cars was the Jeep EXA installed on?
Jeep Grand Cherokee 2 (WJ) in 1999 - 2001.
What are the common problems of the Jeep EXA?
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. All known problems.
