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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Engine Mechanical (CUMMINS 5.0L) (1 Of 2)) >> Removal And Installation >> Intake Manifold >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • When using high-pressure water or steam cleaning equipment, to avoid the risk of personal injury from flying debris and hot steam:
    • Wear appropriate eye protection and protective clothing including gloves and a face shield.
  • When using compressed air for cleaning, to avoid the risk of personal injury from flying debris and dirt:
    • Do not exceed 207 kPa (2.111 kg/cm 2 , 30 psi).
    • Wear appropriate eye protection and protective clothing including gloves.
CAUTION: To avoid possible engine and system damage or performance issues:
  • Brush away all dirt and debris from the area prior to opening any fuel, air intake, exhaust, cooling, aftertreatment or other engine system.
  • To avoid contamination, any open engine system ports must be closed immediately with clean care caps or an appropriate covering.
  • Do not allow any debris to fall into the engine.
  • Do not allow any chemical cleaners to enter the engine or any open systems during the cleaning process.
  1. Disconnect the battery or batteries. Refer to Battery Disconnect .
  2. Drain the engine coolant. Refer to Changing Engine Coolant .
  3. Remove the center heat shield. Refer to Removal and Installation .
  4. Remove the air duct. Refer to Removal and Installation .
  5. Remove the coolant reservoir. Refer to Removal and Installation .
  6. Disconnect the air inlet and air outlet hoses from the engine. Refer to Exploded View .
  7. Disconnect the following harness connectors:
  8. Remove the engine oil dipstick tube bolts (A) and (B) and remove the engine oil dipstick tube (1) from the cylinder block.
    GNSALBIA1419Z-419Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Do not reuse the O-ring.
    • The engine oil dipstick tube must be removed. Do not attempt to rotate it or move it to the side.
    NOTE:
    • Make sure the rubber O-ring (2) was removed from the cylinder block (C) with the engine oil dipstick tube.
    • Access to bolt in the cylinder block may be difficult and is often overlooked. Make certain to remove this bolt to avoid damaging the engine oil dipstick tube.
  9. Remove the fuel filter housing (stage 2). Refer to Removal and Installation .
  10. Remove the exhaust pressure sensor tube. Refer to Exploded View .
    CAUTION:
    • Do not reuse the O-ring.
    • The exhaust pressure sensor tube must be removed. Do not attempt to rotate it or move it to the side.
  11. Remove the bolts (A) from the EGR bypass tube (1).
    GNSAWBIA3400Z-400Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Do not reuse the gasket.
    • Do not reuse bolts.
  12. Remove the bolts (A) from the EGR valve (1).
    GNSALBIA1960Z-960Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the gasket.
  13. Disconnect the rotary turbine control valve linkage from the actuator. Refer to Exploded View .
  14. Remove the bolts (A) from the water transfer connection (1).
    GNSALBIA1961Z-961Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the O-rings.
  15. Remove the bolt (A) holding the air intake connection (1) to the air intake connection bracket (2) on the front cover.
    GNSALBIA1962Z-962Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: It is not required to remove the bottom bolt from the air intake connection bracket.
  16. Remove the EGR bypass valve coolant tube bolt (A) from the front cover.
    GNSALBIA1963Z-963Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: It is not required to remove the EGR bypass tube for intake manifold removal, but the tube must be installed separately during the intake manifold assembly installation.

    (1)

    : Idler pulley
  17. Remove the bolt (A) that secures the air inlet connection to the air intake connection (1).
    GNSALBIA1964Z-964Courtesy of NISSAN NORTH AMERICA, INC.
  18. Remove the breather tube clamp bolt (A) from the air intake connection (1).
    GNSALBIA1965Z-965Courtesy of NISSAN NORTH AMERICA, INC.
  19. Remove the intake manifold bolts (A) then remove the intake manifold assembly (1) and intake manifold gaskets (2).
    GNSALBIA1966Z-966Courtesy of NISSAN NORTH AMERICA, INC.
    WARNING: To avoid the risk of personal injury, use lifting equipment or acquire assistance when lifting components or assemblies that weight more than 23 kg (50 lbs).
    CAUTION:
    • Do not reuse the intake manifold gaskets.
    • To avoid possible engine and system damage or performance issues:
      • Brush away all dirt and debris from the area prior to opening any fuel, air intake, exhaust, cooling, aftertreatment or other engine system.
      • To avoid contamination, any open engine system ports must be closed immediately with clean care caps or an appropriate covering.
      • Do not allow any debris to fall into the engine.
      • Do not allow any chemical cleaners to enter the engine or any open systems during the cleaning process.
    • To avoid possible glow plug corrosion, use compressed air to remove any coolant that may have accumulated at the top of the glow plug.
    • Do not bump or crush the glow plug harness connectors when removing intake manifold assembly.
    NOTE: When removing the intake manifold assembly, cap all open air handling components with Tool.

    Tool

    :-- - (J-54423)
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