2003 Infiniti FX45FACTORY OEM SERVICE PROCEDURE

Service Intervals & Specifications

REPLACEMENT INTERVALS (1)

Component Months (2) (2) Miles
Accessory Drive Belts (3) 48 60,000
Air Filter (4) 24 30,000
Coolant (5) 48 60,000
Fuel Filter (6) (6)
Oil & Filter 6 7500
Spark Plugs (7) (7)
Valve Clearance (Q45 Only) (8) (8)
(1) More often under severe operating conditions.
(2) Perform at month or mile interval, whichever comes first.
(3) After 60,000 miles, inspect every 12 months or 15,000 miles. Replace, if necessary.
(4) If operating mainly in dusty conditions, more frequent maintenance may be required.
(5) First change, then every 24 months or 30,000 miles.
(6) On Q45, fuel filter is maintenance-free.Information not available from manufacturer.
(7) Replace platinum spark plugs every 105,000 miles. Replace conventional spark plugs every 30,000 miles.
(8) If valve noise increases, inspect valve clearance.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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