Can you use 10w 40 oil in your 2005 Nissan altima engine?
It is generally not recommended to use 10W-40 oil in a 2005 Nissan Altima engine. Nissan recommends using 5W-30 oil in this vehicle. Using a thicker 10W-40 oil could potentially cause engine damage due to increased wear and tear. Always refer to the owner's manual for your vehicle for the correct oil type and viscosity.