Emission Control System Maintenance

Abbreviations: R = Replace. I = Inspect. Correct or replace if necessary. [ ]: At the mileage intervals only

EMISSION CONTROL SYSTEM MAINTENANCE REFERENCE

MAINTENANCE OPERATION

MAINTENANCE INTERVAL

Reference or - Content Title

Perform at number of miles, kilometers or months, whichever comes first.

Miles x 1,000 (km x 1,000) Months

7.5 (12) 6

15 (24) 12

22.5 (36) 18

30 (48) 24

37.5 (60) 30

45 (72) 36

52.5 (84) 42

60 (96) 48

Drive belts

⁽¹⁾

I⁽⁵⁾

CHECKING DRIVE BELTS , CHECKING DRIVE BELTS

Air cleaner filter

[R]

CHANGING AIR CLEANER FILTER , CHANGING AIR CLEANER FILTER

EVAP vapor lines

I⁽⁵⁾

CHECKING EVAP VAPOR LINES , CHECKING EVAP VAPOR LINES

Fuel lines

I⁽⁵⁾

CHECKING FUEL LINES , CHECKING FUEL LINES

Fuel filter

⁽²⁾

Engine coolant

⁽³⁾

R⁽⁵⁾

CHANGING ENGINE COOLANT , CHANGING ENGINE COOLANT

Engine oil

CHANGING ENGINE OIL , CHANGING ENGINE OIL

Engine oil filter [Use part No. 15208 31U00 (for VK45DE), 15208 65F00 (for VQ35DE) or equivalent.]

CHANGING OIL FILTER , CHANGING OIL FILTER

Spark plugs (PLATINUM-TIPPED type)

Replace every 105,000 miles (169,000 km).

CHANGING SPARK PLUGS (PLATINUM-TIPPED TYPE) , CHANGING SPARK PLUGS (PLATINUM-TIPPED TYPE)

Intake & exhaust valve clearance⁽⁵⁾

⁽⁴⁾

"VALVE CLEARANCE ", "VALVE CLEARANCE "

NOTE:

⁽¹⁾	After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the drive belts if found damaged or if the auto belt tensioner reading (only for VK45DE engine) reaches the maximum limit.

⁽²⁾	Maintenance-free item. For service procedures, refer to FUEL SYSTEM .

⁽³⁾	After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.

⁽⁴⁾	If valve noise increases, inspect valve clearance.

⁽⁵⁾	Maintenance items and intervals with "*" are recommended by INFINITI 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