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Removal and Installation: Removal

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release fuel pressure. Refer to FUEL PRESSURE RELEASE .
  2. Remove the hood.
  3. Drain engine coolant and engine oil.
  4. Disconnect upper radiator hose and heater hose.
  5. Position the RH engine compartment fuse and relay box aside.
  6. Remove the engine undercovers using power tool.
  7. Remove the resonator, air cleaner to electronic throttle control actuator tube and air cleaner case (upper). Refer to REMOVAL AND INSTALLATION  .
  8. Remove engine cover.
  9. Disconnect the following harness connectors:
    • Engine coolant temperature sensor
    • Camshaft position sensor
    • EVAP canister purge volume control solenoid
    • Throttle control actuator
    • Swirl control valve solenoid
    • Variable timing control solenoid
  10. Disconnect the brake booster vacuum hose.
  11. Disconnect the fuel hose quick connector at the fuel tube side.
    • For how to disconnect and connect the quick connector, refer to INTAKE MANIFOLD  .
    CAUTION:
    • Prepare a container and cloth for catching any spilled fuel.
    • This operation should be performed in a place that is free from any open flames.
    • While hoses are disconnected seal their openings with vinyl bag or similar material to prevent foreign material from entering them.
  12. Remove the engine harness bracket and power steering hose bracket (collector side).
  13. Remove the timing chain. Refer to Removal and Installation  .
  14. Remove drive belt auto-tensioner. Refer to Removal and Installation of Auxiliary Drive Belt Auto-tensioner  .
  15. Remove the camshafts. Refer to CAMSHAFT  .
  16. Remove spark plugs. Refer to Removal and Installation  .
  17. Remove the exhaust manifold using power tool.
  18. Support the engine from above and underneath with suitable hoist and floor jack.
  19. Lower the front suspension member for clearance to remove the oil pan by disconnecting the following:
    Fig 1: Lowering Front Suspension Member
    G02110375Courtesy of NISSAN MOTOR CO., U.S.A.
    • Position the power steering reservoir aside.
    • Remove auxiliary drive belts. Refer to Removal and Installation  .
    • Dismount the A/C compressor and position it out of the way with wire.
    • Disconnect the upper sway bar links. Refer to STABILIZER BAR .
    • Remove the through bolts from the front and rear engine mounts.
    • Disconnect the lower ball joints. Refer to TRANSVERSE LINK & BALL JOINT .
    • Remove the two steering gear housing mounting bolts. Refer to REMOVAL AND INSTALLATION .
  20. Remove cylinder head loosening bolts in the order shown, using power tool.
  21. If necessary to transfer to new cylinder head or remove for reconditioning, remove the intake manifold collector, intake manifold, and fuel tube assembly. Refer to Removal and Installation  .
    Fig 2: View Of Cylinder Head Bolt Loosening Sequence
    G02110376Courtesy of NISSAN MOTOR CO., U.S.A.
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