2003 Nissan Altima
Vehicle Specs & Maintenance Data
The 2003 Nissan Altima maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your Nissan Altima.
For oil changes, the 2003 Nissan Altima takes 0W-20 Full Synthetic motor oil with a capacity of 4.9 quarts. Brake fluid type is DOT 3, the recommended coolant is Blue Long Life Coolant (OAT), and transmission fluid is Nissan NS-3. Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.
When mounting wheels on the Nissan Altima, torque the lug nuts to 80 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.
Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.
The 2003 Nissan Altima uses 0W-20 Full Synthetic motor oil (4.9 qt capacity), requires lug nuts torqued to 80 ft-lbs, takes DOT 3 brake fluid.
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