Nissan 4.0 Engine Specifications
The Nissan 4.0 engine, known for its robust performance and reliability, is a popular choice among truck and SUV enthusiasts. This V6 engine is designed to deliver a balance of power and efficiency, making it suitable for various applications. Below are the detailed specifications of the Nissan 4.0 engine.
| Specification | Value |
|---|---|
| Engine Type | V6 |
| Displacement | 4.0 liters (3969 cc) |
| Horsepower | 261 hp @ 5,600 rpm |
| Torque | 281 lb-ft @ 4,000 rpm |
| Compression Ratio | 9.8:1 |
| Fuel System | Electronic Fuel Injection (EFI) |
| Valvetrain | DOHC, 24 valves |
| Bore x Stroke | 95.5 mm x 92.0 mm |
| Fuel Type | Regular unleaded (87 octane) |
Engine Configuration
The Nissan 4.0 engine features a V6 configuration, which is known for its compact design and smooth operation. This engine is commonly found in Nissan’s trucks and SUVs, such as the Nissan Frontier and Nissan Xterra. The V6 layout provides a good balance of power and efficiency, making it suitable for both daily driving and off-road adventures.
Key Features of the Engine Configuration
– V6 Layout : The V6 configuration allows for a more compact engine design, which can contribute to better weight distribution in vehicles.
– DOHC Design : The Dual Overhead Camshaft (DOHC) design enhances airflow and improves engine efficiency, resulting in better performance.
– 24 Valves : With 24 valves, the engine can achieve better combustion efficiency, leading to increased power output and reduced emissions.
Engine Oil Specifications
Proper engine oil is crucial for maintaining the performance and longevity of the Nissan 4.0 engine. The right oil ensures that the engine components are lubricated effectively, reducing friction and wear.
Recommended Engine Oil
– Oil Type : Synthetic blend or full synthetic oil is recommended for optimal performance.
– Viscosity Rating : 5W-30 is the preferred viscosity rating for the Nissan 4.0 engine.
Oil Capacity
– Oil Capacity with Filter : Approximately 5.4 quarts (5.1 liters).
– Oil Capacity without Filter : Approximately 5.0 quarts (4.7 liters).
Service Intervals
Regular maintenance is essential for keeping the Nissan 4.0 engine running smoothly. Adhering to the recommended service intervals can help prevent potential issues and extend the engine’s lifespan.
Oil Change Intervals
– Conventional Oil : Every 3,000 to 5,000 miles (4,800 to 8,000 kilometers).
– Synthetic Oil : Every 7,500 to 10,000 miles (12,000 to 16,000 kilometers).
Other Maintenance Tasks
In addition to regular oil changes, the following maintenance tasks should be performed at specified intervals:
- Replace the air filter every 15,000 to 30,000 miles (24,000 to 48,000 kilometers).
- Inspect and replace spark plugs every 60,000 miles (96,000 kilometers).
- Check and replace the fuel filter every 30,000 miles (48,000 kilometers).
- Inspect the timing belt or chain according to the manufacturer’s recommendations.
- Flush and replace the coolant every 30,000 miles (48,000 kilometers).
Conclusion
The Nissan 4.0 engine stands out for its combination of power, efficiency, and reliability. Understanding its specifications, configuration, oil requirements, and service intervals is essential for maintaining optimal performance. Regular maintenance and using the right engine oil can significantly enhance the engine’s longevity and performance, ensuring that it continues to deliver a dependable driving experience for years to come.
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