Nissan 2.5 Engine Specifications
The Nissan 2.5 engine is a popular inline-four engine that has been utilized in various Nissan models. Known for its balance of performance and efficiency, this engine has become a staple in the Nissan lineup. Below are the detailed specifications for the Nissan 2.5 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-4 |
| Displacement | 2.5 liters (2488 cc) |
| Horsepower | 170 hp @ 6000 RPM |
| Torque | 175 lb-ft @ 4000 RPM |
| Compression Ratio | 9.6:1 |
| Fuel System | Multi-Point Fuel Injection |
| Fuel Type | Regular Unleaded Gasoline |
| Valvetrain | DOHC, 16 valves |
| Engine Weight | Approximately 350 lbs |
Engine Configuration
The Nissan 2.5 engine features a straightforward inline-four configuration, which is known for its compact design and efficient power delivery. This engine configuration has several advantages:
- Compact Size: The inline-four design allows for a smaller engine footprint, making it easier to fit in various vehicle designs.
- Weight Efficiency: The lighter weight of an inline-four engine contributes to better fuel economy and handling.
- Simplicity: Fewer moving parts compared to larger engines can lead to reduced maintenance costs and increased reliability.
The engine is equipped with a DOHC (Dual Overhead Camshaft) setup, which enhances performance by allowing for better airflow and more precise control of the intake and exhaust valves. This configuration contributes to the engine’s ability to produce a respectable amount of horsepower and torque while maintaining fuel efficiency.
Engine Oil Specifications
Proper engine oil selection is crucial for the longevity and performance of the Nissan 2.5 engine. Below are the recommended oil specifications:
| Specification | Details |
|---|---|
| Oil Type | SAE 0W-20 or SAE 5W-30 |
| Oil Capacity (with filter) | 5.1 quarts (4.8 liters) |
| Oil Change Interval | 5,000 to 7,500 miles (8,000 to 12,000 km) |
| Oil Filter Type | Standard Oil Filter |
Choosing the Right Engine Oil
When selecting engine oil for the Nissan 2.5 engine, consider the following:
- Check the owner’s manual for specific recommendations based on your vehicle model and year.
- Choose oil that meets the API (American Petroleum Institute) certification standards.
- Consider the climate in which you drive; for colder climates, a lower viscosity oil (like 0W-20) may be more beneficial.
Service Intervals
Regular maintenance is essential for keeping the Nissan 2.5 engine running smoothly. Below are the recommended service intervals:
| Service Item | Interval |
|---|---|
| Oil Change | 5,000 to 7,500 miles (8,000 to 12,000 km) |
| Air Filter Replacement | 15,000 to 30,000 miles (24,000 to 48,000 km) |
| Fuel Filter Replacement | 30,000 miles (48,000 km) |
| Spark Plug Replacement | 105,000 miles (168,000 km) |
| Coolant Change | 60,000 miles (96,000 km) |
Additional Maintenance Tips
To ensure the optimal performance of the Nissan 2.5 engine, consider the following maintenance tips:
- Regularly check and maintain proper fluid levels, including coolant and transmission fluid.
- Inspect belts and hoses for wear and replace them as necessary.
- Keep the engine clean and free of debris to prevent overheating.
Conclusion
The Nissan 2.5 engine is a well-engineered powerplant that balances performance, efficiency, and reliability. Understanding its specifications, oil requirements, and service intervals is crucial for maintaining its longevity and performance. Regular maintenance and proper care will ensure that this engine continues to deliver a dependable driving experience for years to come.
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