Nissan 2.5 CVTC Engine Specifications
The Nissan 2.5 CVTC (Continuously Variable Valve Timing Control) engine is a popular choice in various Nissan models, known for its balance of performance and efficiency. This engine is part of Nissan’s QR series and has been utilized in several vehicles, including the Altima, Sentra, and Rogue. Below are the detailed specifications of the Nissan 2.5 CVTC engine.
| Specification | Details |
|---|---|
| Engine Type | Inline 4-cylinder |
| Displacement | 2.5 liters (2488 cc) |
| Fuel System | Multi-Point Fuel Injection |
| Compression Ratio | 9.6:1 |
| Power Output | 175 hp @ 6,000 rpm |
| Torque | 180 lb-ft @ 4,000 rpm |
| Valvetrain | DOHC, 16 valves |
| Fuel Type | Regular unleaded gasoline |
| Emissions Rating | ULEV (Ultra Low Emission Vehicle) |
| Engine Weight | Approximately 350 lbs (159 kg) |
Engine Configuration
The Nissan 2.5 CVTC engine features a straightforward yet effective configuration that contributes to its reliability and performance.
Key Features of Engine Configuration
- Inline 4-Cylinder Design: This configuration allows for a compact engine size while providing adequate power and torque for everyday driving.
- DOHC Setup: The Dual Overhead Camshaft (DOHC) design enhances airflow and efficiency, allowing for better performance across a range of RPMs.
- CVTC Technology: The Continuously Variable Valve Timing Control system optimizes valve timing for improved fuel efficiency and reduced emissions.
- Multi-Point Fuel Injection: This system ensures precise fuel delivery, enhancing combustion efficiency and overall engine performance.
Engine Oil Specifications
Proper lubrication is crucial for the longevity and performance of the Nissan 2.5 CVTC engine. Below are the recommended engine oil specifications.
Recommended Engine Oil
- Oil Type: Synthetic or conventional oil
- Viscosity: 0W-20 or 5W-30
- API Rating: API SN or higher
Oil Capacity
The oil capacity for the Nissan 2.5 CVTC engine is approximately 5.1 quarts (4.8 liters) when using a new oil filter.
Service Intervals
Regular maintenance is essential for ensuring the optimal performance of the Nissan 2.5 CVTC engine. Below are the recommended service intervals for oil changes and general maintenance.
Oil Change Intervals
- Conventional Oil: Every 3,000 to 5,000 miles (4,800 to 8,000 km)
- Synthetic Oil: Every 7,500 to 10,000 miles (12,000 to 16,000 km)
General Maintenance Schedule
The following is a general maintenance schedule for the Nissan 2.5 CVTC engine:
- Every 5,000 miles (8,000 km):
- Oil and filter change
- Inspect brakes and tires
- Check fluid levels (coolant, brake, transmission)
- Every 15,000 miles (24,000 km):
- Replace air filter
- Inspect belts and hoses
- Every 30,000 miles (48,000 km):
- Replace fuel filter
- Inspect and clean the throttle body
- Every 60,000 miles (96,000 km):
- Replace spark plugs
- Inspect timing chain/belt (if applicable)
Conclusion
The Nissan 2.5 CVTC engine is a well-engineered powerplant that balances performance, efficiency, and reliability. Understanding its specifications, configuration, oil requirements, and service intervals is essential for maintaining optimal engine health. Regular maintenance and adherence to recommended service intervals will ensure that the engine continues to perform at its best for years to come.
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