2004 Jeep Wrangler Engine Specs
The 2004 Jeep Wrangler is a rugged and versatile vehicle known for its off-road capabilities and classic design. It offers a range of engine options that cater to different driving needs and preferences. Below are the detailed engine specifications for the 2004 model year.
| Engine Type | Displacement | Cylinders | Horsepower | Torque | Fuel System |
|---|---|---|---|---|---|
| 4.0L I6 | 242 cu in (4.0 L) | 6 | 190 hp @ 4,600 rpm | 235 lb-ft @ 3,200 rpm | Multi-Point Fuel Injection |
| 2.4L I4 | 144 cu in (2.4 L) | 4 | 142 hp @ 5,500 rpm | 160 lb-ft @ 4,000 rpm | Multi-Point Fuel Injection |
The 2004 Jeep Wrangler offers two engine configurations: a robust 4.0L inline-six engine and a more economical 2.4L inline-four engine. Each engine has its unique characteristics, allowing drivers to choose based on their performance needs and fuel efficiency preferences.
Engine Configuration
The engine configuration of the 2004 Jeep Wrangler plays a significant role in its performance and capability. Here’s a closer look at the two engine options available:
4.0L Inline-Six Engine
-Configuration: Inline-6
-Displacement: 4.0 liters (242 cubic inches)
-Power Output: 190 horsepower at 4,600 RPM
-Torque: 235 lb-ft at 3,200 RPM
-Fuel System: Multi-Point Fuel Injection
-Key Features:
– Known for its durability and reliability.
– Provides excellent torque for off-road situations.
– Smooth power delivery, making it suitable for both on-road and off-road driving.
2.4L Inline-Four Engine
-Configuration: Inline-4
-Displacement: 2.4 liters (144 cubic inches)
-Power Output: 142 horsepower at 5,500 RPM
-Torque: 160 lb-ft at 4,000 RPM
-Fuel System: Multi-Point Fuel Injection
-Key Features:
– More fuel-efficient compared to the inline-six.
– Adequate power for everyday driving and light off-road use.
– Lighter weight contributes to better handling.
Both engines are paired with either a 5-speed manual or a 4-speed automatic transmission, providing flexibility in driving styles.
Engine Oil Specs & Service Intervals
Proper maintenance of the engine is crucial for the longevity and performance of the 2004 Jeep Wrangler. This includes using the correct engine oil and adhering to recommended service intervals.
Engine Oil Specifications
-Oil Type: SAE 5W-30 (for both engines)
-Oil Capacity:
– 4.0L I6: Approximately 6 quarts (with filter)
– 2.4L I4: Approximately 5 quarts (with filter)
-Oil Filter: Use a high-quality oil filter compatible with the engine type.
Service Intervals
Regular oil changes and maintenance checks are essential for keeping the engine in optimal condition. Here are the recommended service intervals:
- Oil Change Interval: Every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first.
- Air Filter Replacement: Every 12,000 to 15,000 miles.
- Fuel Filter Replacement: Every 20,000 miles.
- Spark Plug Replacement: Every 30,000 miles.
- Coolant Flush: Every 30,000 miles or as needed.
Additional Maintenance Tips
– Regularly check the engine oil level and top off as needed.
– Inspect the engine for any leaks or unusual noises.
– Keep the air intake system clean to ensure optimal performance.
By adhering to these specifications and service intervals, owners of the 2004 Jeep Wrangler can ensure their vehicle remains reliable and performs well, whether on the highway or off the beaten path. Proper maintenance not only enhances performance but also extends the lifespan of the engine, making it a worthwhile investment for any Jeep enthusiast.
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