Owners of the 2015 Nissan Armada understand the importance of maintaining this full-size SUV for peak performance and longevity. Among the most critical aspects of routine care is understanding the specific fluids required, particularly the engine oil capacity. Getting this specification correct ensures optimal lubrication, cooling, and protection for the sophisticated 5.6-liter V8 engine that powers this capable vehicle.
Understanding the 5.6-liter V8 Engine
The heart of the 2015 Armada is a robust 5,653cc V8 engine, a unit shared with other trucks in the Nissan lineup known for its durability and power. This configuration requires a significant volume of oil to function correctly, and the manufacturer specifies a precise capacity to ensure the system is properly lubricated without overfilling. This specification is not arbitrary; it is calculated to match the internal volume of the oil pan and the space needed for the crankshaft and other moving components.
Factory Specifications and Fill Capacity
When checking the dipstick or draining the old oil, you will find that the factory fill capacity for the 2015 Armada is typically around 7.5 quarts. This figure represents the total amount of oil the system holds from empty to full. However, it is vital to distinguish between the total capacity and the amount to add during an oil change. Since the oil filter and drain plug contain residual oil, you should never add the full 7.5 quarts back in immediately after draining.
Oil Change Procedure Best Practices
Professional mechanics and DIY enthusiasts follow a specific protocol to avoid overfilling the crankcase. After removing the old filter and draining the oil, the standard practice is to add approximately 4 to 5 quarts of fresh oil initially. The engine is then started and allowed to run for a few minutes before shutting it off. This allows the new filter to fill and the oil pump to circulate the fluid. Following this initial fill, you check the dipstick incrementally and add the remaining oil slowly until the level reaches the "Full" mark, usually bringing the total added for the change to about 6 to 6.5 quarts.
Manufacturer Recommendations and Viscosity
Nissan specifies the use of 0W-20 or 5W-30 viscosity oil for this engine, depending on the climate and model variant. This low-viscosity formula is designed to improve fuel economy while providing adequate protection during cold starts. Always refer to the sticker on the driver’s door jamb to confirm the exact grade required for your specific trim. Using the correct weight is just as important as knowing the capacity, as it affects the oil's ability to flow and protect internal components.
