Subaru 3.6R Engine Overview

The Subaru 3.6R engine is a robust and reliable powertrain that has garnered attention for its performance and efficiency. This engine is primarily found in several Subaru models, including the Outback and Legacy. It is known for its smooth operation and strong torque delivery, making it a popular choice for drivers seeking a balance of power and comfort.

Engine Specifications

The following table outlines the detailed specifications of the Subaru 3.6R engine:

Specification Details
Engine Type 6-cylinder, Horizontally Opposed (Boxer)
Displacement 3.6 liters (3630 cc)
Power Output 256 horsepower at 6,000 RPM
Torque 247 lb-ft at 4,400 RPM
Fuel System Sequential Multi-Port Fuel Injection
Compression Ratio 10.5:1
Fuel Type Regular Unleaded (87 Octane)
Transmission Options Continuously Variable Transmission (CVT)
Drivetrain All-Wheel Drive (AWD)

Engine Configuration

The Subaru 3.6R engine features a unique horizontally opposed (Boxer) configuration. This design contributes to a lower center of gravity, enhancing vehicle stability and handling. The engine’s layout allows for a more compact design, which is beneficial in terms of weight distribution and overall vehicle dynamics.

Key Features of the Engine Configuration

  • Boxer Engine Design: The flat design of the engine allows for better balance and reduced vibrations.
  • All-Wheel Drive Compatibility: The engine’s configuration is optimized for Subaru’s signature AWD system, providing improved traction and handling.
  • Durability: The engine is built with high-quality materials to withstand rigorous driving conditions.

Engine Oil Specifications

Proper maintenance of the Subaru 3.6R engine includes using the correct engine oil. The following specifications should be adhered to for optimal performance:

Specification Details
Oil Type Synthetic Oil
Viscosity Grade 5W-30
Oil Capacity (with filter) 6.9 quarts (6.5 liters)
Oil Filter Type Subaru OEM or equivalent
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Service Intervals

Regular maintenance is crucial for the longevity and performance of the Subaru 3.6R engine. The following service intervals are recommended:

Oil Change Intervals

  1. Every 6,000 miles or 6 months, whichever comes first.
  2. For severe driving conditions, consider changing the oil every 3,000 to 5,000 miles.

Additional Maintenance Tasks

  • Air Filter Replacement: Every 15,000 to 30,000 miles, depending on driving conditions.
  • Fuel Filter Replacement: Every 30,000 miles.
  • Spark Plug Replacement: Every 60,000 miles.
  • Coolant Replacement: Every 60,000 miles or as needed.

Conclusion

The Subaru 3.6R engine is a well-engineered powertrain that combines performance, efficiency, and reliability. Understanding its specifications, configuration, oil requirements, and service intervals is essential for maintaining optimal performance. Regular maintenance not only extends the life of the engine but also enhances the overall driving experience. By adhering to the recommended service intervals and using the appropriate engine oil, owners can ensure their Subaru 3.6R engine remains in top condition for years to come.

Categories: Subaru

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