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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 >> EGR Cooler >> 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 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.
  1. Disconnect the battery or batteries. Refer to Battery Disconnect .
  2. Partially drain the engine coolant. Refer to Changing Engine Coolant .
    WARNING: To avoid the risk of personal injury, do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure engine coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove the radiator cap by turning it all the way.
  3. Remove the heat shield (RH). Refer to Removal and Installation .
  4. Remove the coolant reservoir. Refer to Removal and Installation .
  5. Remove the air outlet hose. Refer to Exploded View .
    NOTE: Brush away all loose dirt from the around the area of the air handling connections to avoid contamination of the interior of the engine.
  6. Remove the bolts (A) that connect the exhaust transfer tube (RH) to the EGR valve (1).
    GNSALBIA1960Z-960Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the gasket.
  7. Remove the bolts (A) that connect the EGR cooler return and supply lines to the water inlet connection (1) on the front cover.
    GNSALBIA1961Z-961Courtesy of NISSAN NORTH AMERICA, INC.
  8. Disconnect the harness connector from the EGR valve.
  9. Remove the EGR bracket bolts (A) and the EGR cooler assembly (1) from the intake manifold.
    GNSAWBIA2892Z-892Courtesy of NISSAN NORTH AMERICA, INC.

    (2)

    : EGR cooler

    (3)

    : EGR cooler mounting straps

    (4)

    : EGR cooler supply line

    (5)

    : EGR cooler return line
    CAUTION: To avoid possible glow plug corrosion, use compressed air to remove any coolant that may have accumulated at the top of the glow plug.
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