2005 Jeep 4.0 Engine Specifications
The 2005 Jeep 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 the Wrangler and Cherokee. Below are the detailed specifications of the 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-Point Fuel Injection |
| Fuel Type | Regular unleaded (87 octane) |
| Ignition System | Distributor-less ignition system (DIS) |
| Cooling System | Water-cooled |
| Engine Weight | Approximately 450 lbs |
Engine Configuration
The 2005 Jeep 4.0 engine features a robust inline-six configuration, which contributes to its smooth operation and reliability. This design is favored for its balance and inherent smoothness compared to four-cylinder engines. Here are some key aspects of the engine configuration:
Key Features
- Inline-six layout provides a good balance of power and efficiency.
- Cast iron block and aluminum cylinder head enhance durability.
- Single overhead cam (SOHC) design simplifies maintenance.
- Multi-point fuel injection system ensures optimal fuel delivery.
- Timing chain instead of a belt, reducing maintenance concerns.
Performance Characteristics
- Strong low-end torque makes it suitable for off-road conditions.
- High-revving capability allows for spirited driving on highways.
- Good fuel economy for an engine of its size, especially in highway driving.
Engine Oil Specifications & Service Intervals
Maintaining the right engine oil and adhering to service intervals is crucial for the longevity and performance of the 2005 Jeep 4.0 engine. Below are the recommended oil specifications and service intervals.
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Type | Synthetic or conventional oil |
| Viscosity | SAE 5W-30 |
| Oil Capacity (with filter) | 6 quarts |
| Oil Filter | Chrysler part number 53010470AA or equivalent |
Service Intervals
- Oil Change Interval: Every 3,000 to 5,000 miles, depending on driving conditions.
- Oil Filter Replacement: Replace with every oil change.
- Check Oil Level: Monthly or before long trips.
- Engine Coolant: Inspect every 30,000 miles and replace as needed.
- Timing Chain: No scheduled replacement, but inspect for wear during regular maintenance.
Conclusion
The 2005 Jeep 4.0 engine is a reliable and powerful option for Jeep enthusiasts and off-road adventurers. Understanding its specifications, engine configuration, and maintenance requirements is essential for optimal performance and longevity. By adhering to recommended oil specifications and service intervals, owners can ensure their Jeep remains in excellent condition for years to come.
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