Nissan MR20DE Engine Specifications
The Nissan MR20DE is a four-cylinder engine that has gained popularity for its performance and reliability. It is part of Nissan’s MR family of engines and is commonly found in various Nissan and Infiniti models. Below are the detailed specifications of the MR20DE engine.
| Specification | Details |
|---|---|
| Engine Type | Inline 4-cylinder, DOHC |
| Displacement | 1997 cc (2.0 L) |
| Bore x Stroke | 84.0 mm x 90.0 mm |
| Compression Ratio | 9.8:1 |
| Maximum Power | 140 hp (104 kW) at 6000 rpm |
| Maximum Torque | 147 lb-ft (200 Nm) at 4400 rpm |
| Fuel System | Multi-Point Fuel Injection (MPFI) |
| Fuel Type | Regular unleaded gasoline |
| Ignition System | Electronic Ignition |
| Valvetrain | DOHC with 4 valves per cylinder |
| Engine Weight | Approximately 130 kg (287 lbs) |
Engine Configuration
The MR20DE engine features a robust inline-four configuration, which is known for its balance between performance and fuel efficiency. Here are some key aspects of its configuration:
Key Features
- DOHC (Dual Overhead Camshaft) design allows for precise control of valve timing.
- Multi-Point Fuel Injection (MPFI) enhances fuel atomization and combustion efficiency.
- Lightweight aluminum construction contributes to improved performance and fuel economy.
- Engine block and cylinder head are designed for optimal thermal efficiency.
Applications
The MR20DE engine is commonly used in various Nissan models, including:
- Nissan Altima
- Nissan Sentra
- Nissan Rogue
- Nissan X-Trail
- Infiniti EX35
Engine Oil Specifications
Proper lubrication is crucial for the longevity and performance of the MR20DE engine. Below are the recommended engine oil specifications.
| Specification | Details |
|---|---|
| Oil Type | SAE 5W-30 |
| Oil Capacity (with filter) | 4.8 liters (5.1 quarts) |
| Oil Change Interval | 5,000 to 7,500 miles (8,000 to 12,000 km) |
| Oil Filter Type | Spin-on type |
Service Intervals
Regular maintenance is essential for keeping the MR20DE engine running smoothly. Below are the recommended service intervals for various maintenance tasks.
Maintenance Schedule
- Oil Change: Every 5,000 to 7,500 miles (8,000 to 12,000 km) or every 6 months, whichever comes first.
- Air Filter Replacement: Every 15,000 to 30,000 miles (24,000 to 48,000 km), depending on driving conditions.
- Fuel Filter Replacement: Every 30,000 miles (48,000 km).
- Spark Plug Replacement: Every 60,000 miles (96,000 km).
- Coolant Replacement: Every 60,000 miles (96,000 km) or as needed.
Additional Maintenance Tips
- Regularly check the engine oil level and top up as necessary.
- Inspect belts and hoses for wear and replace them as needed.
- Monitor tire pressure and alignment for optimal handling and fuel efficiency.
- Keep the engine clean to prevent overheating and improve performance.
Conclusion
The Nissan MR20DE engine is a well-engineered powerplant that offers a blend of performance, efficiency, and reliability. Understanding its specifications, configuration, oil requirements, and service intervals can help owners maintain their vehicles effectively. Regular maintenance will ensure that the MR20DE engine continues to perform at its best for years to come.
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