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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Exhaust System (CUMMINS 5.0L)) >> Removal And Installation >> Def Tank >> 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:
  • To reduce the risk of personal injury, do not get Diesel Exhaust Fluid (DEF) in your eyes as it contains urea. In case of contact, immediately flush eyes with large amounts of water for a minimum of 15 minutes. Do not swallow. In the event DEF is ingested, contact a physician immediately. Reference the Safety Data Sheet (SDS) for additional information.
  • The DEF line connecting the after treatment DEF dosing unit to the after treatment DEF dosing valve is under low pressure and should not be disconnected while the engine is running or before the system has completed the purge process after engine shutdown. Disconnecting the DEF line while under low pressure could cause DEF to spray.
  1. Disconnect the battery or batteries. Refer to Battery Disconnect .
  2. Remove the wheel and tire (if necessary). Refer to Removal and Installation .
  3. Remove the rear fender protector. Refer to Removal and Installation - Rear Fender Protector .
  4. Disconnect the harness connectors (A) from DEF pump.
    GNSALBIA2669Z-669Courtesy of NISSAN NORTH AMERICA, INC.
  5. Remove the harness clips (A) from the DEF pump shield (1) and reposition the harness.
    GNSALBIA2704Z-704Courtesy of NISSAN NORTH AMERICA, INC.
  6. Remove the clips (A) and remove the DEF pump shield (1).
    GNSALBIA2671Z-671Courtesy of NISSAN NORTH AMERICA, INC.
  7. Disconnect the DEF supply line (1) and harness connector (B) from the DEF pump (2) and disengage DEF supply line from clamps (A).
    GNSALBIA2705Z-705Courtesy of NISSAN NORTH AMERICA, INC.

    Disconnect quick connector as follows:

    • Hold the sides of the connector, press tabs (B) and pull out DEF supply line (A).
      GNSALBIA2707Z-707Courtesy of NISSAN NORTH AMERICA, INC.
    • If quick connector sticks to tube of DEF pump, push and pull (C) quick connector several times until it starts to move. Then disconnect by pulling it.
      NOTE: After disconnecting DEF supply line, cover end of line with bag or something similar to avoid damage or foreign materials.
  8. Release clamp (A) and loosen clamp (B), then disconnect the DEF tank filler hose (2) and DEF tank breather hose (1).
    GNSALBIA2673Z-673Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: Remove bolt (C) if necessary to loosen clamp.

    SYMBOL

    : Front
  9. Disconnect the harness connectors (A) and remove the harness (if necessary).
    GNSALBIA2706Z-706Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Front
  10. Remove the bolts (A) and nuts (B) from the DEF tank (1) and remove the DEF tank.
    GNSALBIA2675Z-675Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Front
  11. Remove screw (A) and remove SCR control unit (1) if necessary.
    GNSALBIA3356Z-356Courtesy of NISSAN NORTH AMERICA, INC.
  12. Rotate lock ring (1) counterclockwise and remove lock ring (if necessary).
    GNSALBIA3357Z-357Courtesy of NISSAN NORTH AMERICA, INC.
  13. Remove DEF pump (2) from DEF tank (if necessary).
    CAUTION: Do not reuse O-ring.
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