Nissan KA24 Engine Specifications
The Nissan KA24 engine is a well-known powerplant that has been utilized in various Nissan vehicles, particularly in the 240SX and some pickup models. This engine is recognized for its durability and performance, making it a popular choice among car enthusiasts and those looking for reliable power.
Engine Overview
The KA24 is a 2.4-liter inline-four engine that has gained a reputation for its robust design and versatility. Below are the detailed specifications of the KA24 engine:
| Specification | Details |
|---|---|
| Engine Type | Inline-4 |
| Displacement | 2.4 liters (2389 cc) |
| Bore x Stroke | 89 mm x 100 mm |
| Compression Ratio | 9.5:1 (varies by model) |
| Fuel System | Multi-Point Fuel Injection (MPFI) |
| Max Horsepower | 155 hp @ 5600 rpm |
| Max Torque | 160 lb-ft @ 4400 rpm |
| Valvetrain | DOHC, 16 valves |
| Ignition System | Distributor-less ignition system (DIS) |
| Cooling System | Water-cooled |
Engine Configuration
The KA24 engine features a dual overhead cam (DOHC) configuration, which allows for better airflow and higher RPM capabilities compared to single overhead cam engines. This design contributes to the engine’s overall efficiency and performance.
Key Features of the KA24 Engine
– Inline-4 Configuration : The KA24’s inline-four layout provides a compact design, making it suitable for various vehicle applications.
– DOHC Design : The dual overhead cam setup enhances performance by allowing for more precise control of the intake and exhaust valves.
– Multi-Point Fuel Injection : This fuel delivery system ensures optimal fuel-air mixture for improved combustion efficiency.
– Robust Construction : The engine is built with durability in mind, often lasting well beyond 200,000 miles with proper maintenance.
Engine Oil Specifications
Proper lubrication is crucial for the longevity and performance of the KA24 engine. Selecting the right engine oil and adhering to recommended service intervals can significantly impact the engine’s health.
Recommended Engine Oil
For the KA24 engine, the following oil specifications are recommended:
– Oil Type : SAE 5W-30 or 10W-30 (depending on climate)
– Oil Capacity : Approximately 4.5 quarts (with filter change)
Oil Change Intervals
Maintaining a regular oil change schedule is essential for optimal engine performance. The following intervals are generally recommended:
– Standard Driving Conditions : Change oil every 3,000 to 5,000 miles.
– Severe Driving Conditions : Change oil every 2,000 to 3,000 miles. Severe conditions include:
– Frequent short trips
– Extreme temperatures (hot or cold)
– Towing or carrying heavy loads
– Driving in dusty or off-road conditions
Service Intervals
Regular maintenance is vital for the KA24 engine to ensure its longevity and reliability. Below are the recommended service intervals for key maintenance tasks:
| Maintenance Task | Recommended Interval |
|---|---|
| Oil Change | 3,000 – 5,000 miles (or as specified) |
| Air Filter Replacement | 15,000 – 30,000 miles |
| Fuel Filter Replacement | 30,000 – 50,000 miles |
| Spark Plug Replacement | 30,000 – 100,000 miles (depending on type) |
| Coolant Flush | 30,000 – 50,000 miles |
| Transmission Fluid Change | 30,000 – 60,000 miles |
Additional Maintenance Tips
– Regularly check the engine oil level and top off as necessary.
– Inspect belts and hoses for wear and replace as needed.
– Keep an eye on the cooling system and ensure the radiator is functioning properly.
– Monitor tire pressure and alignment for optimal handling and performance.
Conclusion
The Nissan KA24 engine is a reliable and versatile powerplant that has stood the test of time. With its solid specifications, efficient design, and straightforward maintenance requirements, it remains a favorite among car enthusiasts and everyday drivers alike. By adhering to the recommended oil specifications and service intervals, owners can ensure that their KA24 engine continues to perform at its best for many miles to come.
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