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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 503 (Engine Mechanical (4.0L)) >> Removal And Installation >> Front Timing Chain Case >> Removal and Installation >> Removal

Removal and Installation: Removal

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.
NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
  1. Remove front under cover. Refer to Removal and Installation .
  2. Remove the fender protector. Refer to Removal and Installation .
  3. Drain engine oil. Refer to Changing Engine Oil .
    CAUTION:
    • Perform this step when engine is cold.
    • Do not spill engine oil on drive belts.
  4. Remove fan shroud (upper). Refer to Exploded View .
  5. Remove engine cooling fan (Crankshaft driven type) and fan bracket. Refer to Removal and Installation (Crankshaft driven type) .
  6. Disconnect engine harnesses and remove harness brackets from front timing chain case.
  7. Remove EVAP canister purge volume control solenoid valve (if necessary).
  8. Remove drive belt. Refer to Removal and Installation .
  9. Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside. Refer to Removal and Installation - VQ40DE .
  10. Remove power steering oil pump bracket.
  11. Remove generator and bracket. Refer to Removal and Installation - VQ40DE .
  12. Remove water bypass hoses and water hose clamp.
  13. Remove water hose at oil cooler.
  14. Remove electric throttle control actuator as follows:
    1. Partially drain engine coolant. Refer to Changing Engine Coolant .
      WARNING: To avoid the danger of being scalded, do not drain engine coolant when engine is hot.
      CAUTION:
      • Perform when engine is cold.
      • Do not spill engine coolant on drive belt.
    2. Disconnect harness connector.
    3. Loosen bolts in reverse order as shown.
      G04146554Courtesy of NISSAN NORTH AMERICA, INC.
      CAUTION:
      • Handle carefully to avoid any shock to electric throttle control actuator.
      • Do not disassemble.
  15. Remove oil cooler water bypass pipe from front timing chain case. Refer to Exploded View .
  16. Remove right and left intake valve timing control covers.
    • Loosen bolts in reverse order as shown.
      G04072915Courtesy of NISSAN NORTH AMERICA, INC.
    • Cut liquid gasket for removal using Tool.

    Tool number

    : KV10111100 (J-37228)
    CAUTION: Shaft is internally jointed with camshaft sprocket (INT) center hole. When removing, keep it horizontal until it is completely disconnected.
  17. Remove collared O-rings from front timing chain case (left and right side).
    G04072916Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse O-rings.
  18. Remove A/C compressor bolts and temporarily secure A/C compressor aside without disconnecting the A/C pipes and hoses. Refer to Removal and Installation for A/C Compressor - VQ40DE .
  19. Remove crankshaft pulley as follows:
    1. Remove rear cover plate and install Ring Gear Stopper Tool.

      Tool number

      : -- (J-48761)
    2. Loosen crankshaft pulley bolt so that there is a 10 mm (0.39 in) gap between bolt and crankshaft pulley.
      G04146613Courtesy of NISSAN NORTH AMERICA, INC.
      CAUTION: Do not remove crankshaft pulley bolt. Keep loosened crankshaft pulley bolt in place to protect the crankshaft pulley from dropping.
    3. Pull crankshaft pulley with both hands to remove it.
  20. Loosen two bolts in front of oil pan (upper) in reverse order as shown.
    G04146614Courtesy of NISSAN NORTH AMERICA, INC.
  21. Remove front timing chain case as follows:
    1. Loosen bolts with power tool in reverse order as shown.
      G04146615Courtesy of NISSAN NORTH AMERICA, INC.
    2. Insert suitable tool into the notch at the top of the front timing chain case as shown (1).
      G04079869Courtesy of NISSAN NORTH AMERICA, INC.
    3. Pry off case by moving tool as shown (2).
      • Cut liquid gasket for removal using Tool.

      Tool number

      : KV10111100 (J-37228)
      CAUTION:
      • Do not use screwdriver or something similar.
      • After removal, handle front timing chain case carefully so it does not twist, bend, or warp under a load.
  22. Remove O-rings from rear timing chain case.
    G04072925Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse O-rings.
  23. Remove water pump cover and chain tensioner cover from front timing chain case (if necessary).
    • Cut liquid gasket for removal using Tool.

    Tool number

    : KV10111100 (J-37228)
  24. Remove front oil seal from front timing chain case using suitable tool.
    G04146618Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Be careful not to damage front timing chain case.
  25. Remove idler pulley (if necessary). Refer to Drive Belt Auto-Tensioner and Idler Pulley .
  26. Remove all traces of old liquid gasket from front and rear timing chain cases, oil pan (upper), and liquid gasket mating surfaces using a suitable tool.
    G04146619Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Be careful not to allow gasket fragments to enter oil pan.
    • Remove old liquid gasket from bolt hole and thread.
      G04072928Courtesy of NISSAN NORTH AMERICA, INC.
  27. Remove all traces of old liquid gasket from water pump cover, chain tensioner cover (if necessary) and intake valve timing control covers using a suitable tool.
    G04072929Courtesy of NISSAN NORTH AMERICA, INC.
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