LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Mechanical >> Engine Lubrication System >> Engine Oil >> Changing Engine Oil
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Changing Engine Oil

WARNING:
  • Be careful not to burn yourself, as engine oil is hot.
  • Prolonged and repeated contact with used engine oil may cause skin cancer; try to avoid direct skin contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible.
  1. Remove engine undercover with power tool.
  2. Warm up engine, and check for engine oil leakage from engine components.
  3. Stop engine and wait for 15 minutes.
  4. Loosen oil filler cap, then remove drain plug.
  5. Drain engine oil.
  6. Install drain plug with new washer. Refer to "OIL PAN AND OIL STRAINER "
    Fig 1: Locating Oil Filler Cap, Drain Plug And Oil Filter
    G02407735Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • Be sure to clean drain plug and install with new washer.
      1. Oil pan drain plug:
        1. : 29.4 - 39.2 N.m (3.0 - 4.0 kg-m, 22 - 28 ft-lb)
  7. Refill with new engine oil.

    Engine oil specification and viscosity: 

    Refer to "RECOMMENDED FLUIDS AND LUBRICANTS ".

    Engine oil capacity (Approximate): 

    Fig 2: Engine Oil Capacity Chart
    G02407736Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • The refill capacity depends on the engine oil temperature and drain time. Use these specifications for reference only.
    • Always use oil level gauge to determine when the proper amount of engine oil is in engine.
  8. Warm up engine and check area around drain plug and oil filter for oil leakage.
  9. Stop engine and wait for 15 minutes.
  10. Check the engine oil level. Refer to "INSPECTION  ".