Jeep Cherokee 4.0 Engine Specifications
The Jeep Cherokee 4.0 engine is a well-regarded powerplant known for its durability and performance. This inline-six engine has been a staple in various Jeep models, particularly during the 1980s and 1990s. Below are the detailed specifications of the Jeep Cherokee 4.0 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder |
| Displacement | 4.0 liters (242 cubic inches) |
| Horsepower | 190 hp @ 4,600 rpm |
| Torque | 235 lb-ft @ 3,200 rpm |
| Compression Ratio | 8.8:1 |
| Fuel System | Multi-port fuel injection |
| Fuel Type | Regular unleaded (87 octane) |
| Ignition System | Distributor-less ignition system (DIS) |
| Cooling System | Liquid cooled |
| Weight | Approximately 500 lbs |
Engine Configuration
The Jeep Cherokee 4.0 engine features a robust inline-six configuration that provides a balance of power and smooth operation. The design of the engine contributes to its reliability and longevity, making it a favorite among off-road enthusiasts and daily drivers alike.
Key Features of the Engine Configuration
- Inline-six design for improved balance and smoothness.
- Single overhead cam (SOHC) with 12 valves.
- Durable cast iron block and aluminum cylinder head.
- Long-stroke design for increased torque output.
- Multi-port fuel injection for efficient fuel delivery.
Engine Oil Specifications
Proper maintenance of the Jeep Cherokee 4.0 engine includes using the correct engine oil. The specifications for engine oil are crucial for ensuring optimal performance and longevity.
| Specification | Details |
|---|---|
| Oil Type | Synthetic or conventional |
| Viscosity | 5W-30 |
| Oil Capacity | 6 quarts (with filter) |
| Oil Filter | Standard oil filter (Mopar or equivalent) |
Service Intervals
Regular maintenance is essential for the Jeep Cherokee 4.0 engine to perform at its best. Below are the recommended service intervals for oil changes and other routine maintenance tasks.
Oil Change Intervals
- Every 3,000 to 5,000 miles for conventional oil.
- Every 5,000 to 7,500 miles for synthetic oil.
Additional Maintenance Tasks
- Replace air filter every 15,000 to 30,000 miles.
- Inspect and replace spark plugs every 30,000 to 100,000 miles.
- Check coolant levels and replace coolant every 30,000 miles.
- Inspect belts and hoses every 30,000 miles.
- Change transmission fluid every 30,000 to 60,000 miles.
Conclusion
The Jeep Cherokee 4.0 engine is a testament to engineering excellence, combining power, reliability, and ease of maintenance. Understanding its specifications, engine configuration, oil requirements, and service intervals is essential for any owner looking to keep their vehicle running smoothly for years to come. Regular maintenance not only enhances performance but also extends the life of the engine, ensuring that it remains a dependable companion on and off the road.
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