The 3.0-liter diesel V6 Jeep EXN engine has been produced at the concern’s factories since 2016 and is put on the restyled Jeep Grand Cherokee 4 and Maserati Levante under the B630WM index. This power unit is an updated modification of the famous VM Motori A630 diesel engine.
VM Motori family: ENC, ENJ, ENS, ENR, EXF, EXJ, EXN, EXA.
Specifications
| Production years | since 2016 |
| Displacement, cc | 2987 |
| Fuel system | Common Rail |
| Power output, hp | 191 – 250 |
| Torque output, Nm | 434 – 569 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92 |
| Compression ratio | 16.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | Garrett GTB2056VKL |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 7.7 |
| Fuel type | diesel |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Jeep Grand Cherokee 2018) — city — highway — combined |
9.2 6.4 7.4 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 220 |
The engine was installed on:
- Jeep Grand Cherokee 4 (WK2) in 2016 – 2020.
Disadvantages of the Jeep EXN engine
- Most of the complaints on the specialized forums are related to leaks and especially to the oil cooler.
- The pipes are not reliable and regularly burst, and all the hoses still leak.
- Due to the fault of bad fuel, the capricious high-pressure fuel pump fails and begins to drive chips.
- There were cases when, due to a leaky corrugation, the turbine overheated and failed.
- The weak points of the unit also include a particulate filter and an EGR system cooler.
Frequently asked questions about the Jeep EXN
How much power does the Jeep EXN make?
The Jeep EXN develops 191 - 250 hp and 434 - 569 Nm of torque.
How much oil does the Jeep EXN take and which one?
Engine oil capacity: 7.7 liters. Recommended oil: 5W-40.
Does the Jeep EXN have a timing belt or chain?
The Jeep EXN uses a timing chain.
Is the Jeep EXN turbocharged?
Yes, the Jeep EXN is turbocharged (Garrett GTB2056VKL).
Does the Jeep EXN need valve clearance adjustment?
No, the Jeep EXN has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Jeep EXN last?
The typical lifespan of the Jeep EXN is ~250 000 km with proper maintenance.
What is the fuel consumption of the Jeep EXN?
Jeep Grand Cherokee 2018: city 9.2, highway 6.4, combined 7.4 L/100 km.
What cars was the Jeep EXN installed on?
Jeep Grand Cherokee 4 (WK2) in 2016 - 2020.
What are the common problems of the Jeep EXN?
Most of the complaints on the specialized forums are related to leaks and especially to the oil cooler. The pipes are not reliable and regularly burst, and all the hoses still leak. All known problems.
