2001 Nissan Xterra Owner's Manual - Page 219

Schedule 1 Abbreviations: R = Replace MAINTENANCE OPERATION Perform at number of miles, kilometers or months, whichever comes first. I = Inspect. Correct or replace if necessary. [ ]: At the mileage intervals only MAINTENANCE INTERVAL Miles × 1,000 3.75 7.5 11.25 15 18.75 22.526.25 30 33.75 37.541.25 45 48.75 52.556.25 60 (km × 1,000) (6) (12) (18) (24) (30) (36) (42) (48) (54) (60) (66) (72) (78) (84) (90) (96) Months 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 I* [R] [R] I* I* I* [R] [R] I* I* R* R R Emission control system maintenance Drive belts Air cleaner filter See NOTE (1) Positive crankcase ventilation (PCV) filter See NOTE (2) (KA24DE only) EVAP vapor lines Fuel lines Fuel filter See NOTE (2)* Engine coolant See NOTE (3) Engine oil R Engine oil filter R Spark plugs (Use PLATINUM-TIPPED type) Intake and exhaust valve clearance (KA24DE only) See NOTE (4)* Timing belt (VG33E only) NOTE: (1) (2) (3) (4) * R R R R R R R R R R R R R R R R R R R R Replace every 105,000 miles (169,000 km) Replace every 105,000 miles (169,000 km) R R R R R R R R If operating mainly in dusty conditions, more frequent maintenance may be required. When the filter becomes clogged, the vehicle speed cannot be increased as the driver wishes. In such an event, replace the filter. After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months. If valve noise increases, inspect valve clearance. Maintenance items and intervals 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