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Removal And Installation: Removal: Preparation

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain engine coolant from radiator drain plug.
  2. Partially drain A/T fluid. See DRAINING & REFILLING in SERVICING - TITAN article in AUTOMATIC TRANSMISSION.
  3. Release fuel pressure. See FUEL PRESSURE RELEASE in BASIC DIAGNOSTIC PROCEDURES - TITAN article in ENGINE PERFORMANCE.
  4. Remove the engine hood.
  5. Remove the cowl extension. COWL TOP in EXTERIOR/INTERIOR - TITAN article in ACCESSORIES & BODY, CAB.
  6. Remove engine room cover ENGINE ROOM COVER .
  7. Remove the air duct and air cleaner case assembly AIR CLEANER AND AIR DUCT .
  8. Disconnect vacuum hose between vehicle and engine and set it aside.
  9. Remove the radiator assembly and hoses. Refer to THERMOSTAT AND WATER PIPING in ENGINE COOLING SYSTEM - TITAN article.
  10. Remove the drive belts. Refer to DRIVE BELTS .
  11. Remove the fan blade. refer to ENGINE COOLING FAN in ENGINE COOLING SYSTEM - TITAN article.
  12. Disconnect the engine room harness from the fuse box and set it aside for easier work.
  13. Disconnect the ECM.
  14. Disconnect the engine room harness from the engine side and set it aside for easier work.
  15. Disconnect the engine harness grounds.
  16. Disconnect the reservoir tank for power steering from engine and move it aside for easier work.
  17. Disconnect power steering oil pump from engine. Move it from its location and secure with a rope for easier work. Refer to POWER STEERING OIL PUMP in POWER STEERING article.
  18. Remove the A/C compressor bolts and set aside. See REMOVAL AND INSTALLATION FOR COMPRESSOR in MANUAL HVAC SYSTEM - TITAN article.
  19. Disconnect brake booster vacuum line.
  20. Disconnect EVAP line.
  21. Disconnect the fuel hose at the engine side connection. Refer to FUEL INJECTOR AND FUEL TUBE .
  22. Disconnect the heater hoses at cowl, and install plugs to avoid leakage of engine coolant.
  23. Remove the A/T oil level indicator and indicator tube upper bolts.
  24. Remove front final drive assembly (4x4 only). See REMOVAL AND INSTALLATION .
  25. Remove exhaust manifolds. See EXHAUST MANIFOLD AND THREE WAY CATALYST .
  26. Install engine slingers into left bank cylinder head and right bank cylinder head.
    Fig 1: Installing Engine Slingers
    G00343833Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Engine slinger torque: 45.0 N.m (4.6 kg-m, 33 ft-lb) 
  27. Remove transmission. See REMOVAL & INSTALLATION .
  28. Lift with hoist and secure the engine in position.
  29. Remove engine assembly from vehicle, avoiding interference with vehicle body.
    CAUTION:
    • Before and during this lifting, always check if any harnesses are left connected.
  30. Remove alternator. See REMOVAL & INSTALLATION in GENERATORS & REGULATORS - TITAN article in ELECTRICAL.
  31. Remove engine mounting insulator and bracket with power tool.
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