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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 212 (Engine Mechanical (CUMMINS 5.0L) (2 Of 2)) >> Removal And Installation >> Turbocharger >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

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.
  1. Remove the bolts (A) securing the low-pressure turbocharger boost pressure sensor tube (2).
    GNSALBIA2801Z-801Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse O-ring (1).
  2. Remove the low-pressure turbocharger boost pressure sensor tube (1) by pulling with light force in the axial direction as shown and rotating clockwise and counterclockwise of the O-ring (2).
    GNSALBIA1998Z-998Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the O-ring.
  3. Remove bolt (B), then use suitable tool (A) to remove the turbocharger speed sensor (1).
    GNSALBIA1829Z-829Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse O-ring (2).
    NOTE: Apply a twisting motion to the turbocharger speed sensor while pulling upward.
  4. Remove the rotary turbine control valve linkage from the turbocharger assembly.
    CAUTION: Do not reuse the rotary turbine control valve linkage.
  5. Remove the bolts (A) that hold the turbocharger compressor outlet connection (3) to the low-pressure compressor housing (1).
    GNSALBIA20Z-020Courtesy of NISSAN NORTH AMERICA, INC.
  6. Remove the bolts (B) that hold the turbocharger compressor bypass valve (4) to the high-pressure compressor housing (5).
  7. Remove the turbocharger compressor bypass valve and turbocharger compressor outlet connection assembly from the turbocharger assembly.
    CAUTION:
    • Do not reuse the O-rings (2) and (6).
    • To avoid possible damage to the compressor bypass valve, avoid prying against the housing for removal. Use of a soft mallet is recommended.
  8. Remove the bolt (A) that attaches the oil supply line (1) to the low-pressure turbocharger compressor housing (2).
    GNSALBIA2802Z-802Courtesy of NISSAN NORTH AMERICA, INC.
  9. Remove the high pressure turbocharger banjo bolt (A) and the low-pressure turbocharger banjo bolt (B) for the oil supply line (3) to both the high-pressure and low-pressure turbochargers.
    GNSALBIA2001Z-001Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse copper sealing washers (1, 2).
  10. Remove bolts (A) and remove the high-pressure turbocharger oil drain line (3).
    GNSALBIA2019Z-019Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the O-ring (2) or gasket (1).
  11. Remove the bolts (A) that secure the high-pressure turbocharger (1) to the low-pressure turbocharger. Use suitable tool to separate the housings.
    GNSALBIA2002Z-002Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse the gasket (2) or O-ring (3).
    NOTE:
    • Penetrating oil should be used on the bolts (A) for the high-pressure turbocharger.
    • The low-pressure and high-pressure compressor housings are sealed by an O-ring (3). Evenly distribute the pulling force between the compressor housings as well as the turbine housings.
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