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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 503 (Engine Mechanical (4.0L)) >> Unit Removal And Installation >> Engine Assembly >> Removal and Installation >> Preparation

Removal and Installation: Preparation

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the front under cover using power tool. Refer to Removal and Installation .
  2. Remove the cowl extension panel. Refer to Removal and Installation .
  3. Drain engine coolant. Refer to Changing Engine Coolant .
  4. Release fuel pressure. Refer to Work Procedure .
  5. Remove the engine hood. Refer to Removal and Installation .
  6. Disconnect the battery negative and positive terminals. Refer to Removal and Installation .
  7. Remove the air duct and resonator assembly and air cleaner case assembly. Refer to Removal and Installation .
  8. Disconnect crankcase ventilation hoses at resonator.
  9. Remove front grille. Refer to Removal and Installation .
  10. Remove the engine cooling fan and shroud. Refer to Removal and Installation (Crankshaft driven type) .
  11. Remove the radiator assembly and hoses. Refer to Removal and Installation .
  12. Remove the drive belt. Refer to Removal and Installation .
  13. Disconnect the engine room harness from the engine side and set it aside.
  14. Disconnect the engine harness grounds.
  15. Disconnect the power steering reservoir from the engine and move it aside.
  16. Disconnect power steering oil pump from engine and set aside. Refer to Removal and Installation - VQ40DE .
  17. Remove the A/C compressor bolts and set aside without disconnecting the A/C hoses. Refer to Removal and Installation for A/C Compressor - VQ40DE .
  18. Disconnect EVAP line.
  19. Disconnect the fuel hose at the engine side connection. Refer to Removal and Installation .
  20. Disconnect the heater hoses at cowl.
  21. Remove the A/T fluid level gauge and A/T fluid charging pipe. Refer to Exploded View .
  22. Remove front exhaust tubes. Refer to Exploded View .
  23. Remove crankshaft position sensor.
  24. Reposition exhaust manifold heat shields.
  25. Install engine slingers into left bank and right bank.
    GNSALBIA0024Z-024Courtesy of NISSAN NORTH AMERICA, INC.

    (1)

    : Hole for A/T models only
    CAUTION: Do not use hole (2).

    SYMBOL

    : Front

    Engine slinger bolt (A) torque:

    28.0 N.m (2.9 kg-m, 21 ft-lb)
  26. Attach chains to the engine slingers and remove slack to secure engine in position for the next steps.
  27. Remove front frame crossmember.
  28. Remove transmission. Refer to Removal and Installation .
  29. Remove engine mount bracket bolts using power tool.
  30. Remove engine mounting insulator with power tool.
  31. Remove engine assembly from vehicle, avoiding interference with vehicle body.
    CAUTION: Repeatedly check to ensure all harnesses are disconnected before and during engine lifting.
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