1999 Nissan Altima Owner's Manual - Page 187

Schedule One Abbreviations: R = Replace I = Inspect. Correct or replace if necessary. MAINTENANCE OPERATION Miles x 1,000 Perform at number of miles, kilometers or months, (km x 1,000) whichever comes first. Months Emission control system maintenance Drive belts See NOTE (1) Air cleaner filter See NOTE (2) EVAP vapor lines Fuel lines Fuel filter See NOTE (3)* Engine coolant See NOTE (4) Engine oil Engine oil filter Spark plugs (Use PLATINUM-TIPPED type) Intake & exhaust valve clearance See NOTE (5)* [ ]: At the mileage intervals only MAINTENANCE INTERVAL 3.75 7.5 11.25 15 18.75 22.5 26.25 30 33.75 37.5 41.25 45 48.75 52.5 56.25 60 (6) (12) (18) (24) (30) (36) (42) (48) (54) (60) (66) (72) (78) (84) (90) (96) 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 I* [R] I* I* R* R R [R] [R] I* I* R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R NOTE: (1) After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. (2) If operating mainly in dusty conditions, more frequent maintenance may be required. (3) If vehicle is operated under extremely adverse weather conditions or in areas where ambient temperatures are either extremely low or extremely high, the filters might become clogged. In such an event, replace them immediately. (4) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months. (5) If valve noise increases, inspect valve clearance. * Maintenance items and intervals marked with an are recommended by NISSAN for reliable vehicle operation. The owner need not perform such maintenance in order to maintain the emission warranty or manufacturer recall liability. Other maintenance items and intervals are required. 9-6 Maintenance