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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical (Pr25DD) (2 Of 2)) >> Removal And Installation >> Intake Manifold >> INTAKE MANIFOLD : Removal & Installation >> Removal

INTAKE MANIFOLD : Removal & Installation: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the battery. Refer to BATTERY DISCONNECT : Removal & Installation .
  2. Remove the air cleaner assembly and air duct 3. Refer to Removal and Installation .
  3. Remove the EGR volume control valve. Refer to EGR VALVE : Removal & Installation .
  4. Remove the vacuum hose from the intake manifold.
  5. Unbolt and reposition the vacuum tube. Refer to Exploded View .
  6. Remove the CVT fluid charging pipe. Refer to Exploded View (AWD) or Exploded View (FWD).
  7. Disconnect the PCV hose from the rocker cover.
  8. Disconnect the harness connector from the electric throttle control actuator.
  9. Loosen electric throttle control actuator bolts in reverse of the sequence and reposition.
    Fig 1: Electric Throttle Control Actuator Bolts Tightening Sequence
    GNSAWBIA1359Z-359Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse electric throttle control actuator gasket.
  10. Remove the EVAP hose from the intake manifold..
  11. Remove the generator. Refer to Removal and Installation .
  12. Unbolt the radiator hose (upper) and reposition. Refer to Exploded View .
  13. Disconnect harness connectors from the intake manifold runner control valve motor, intake manifold runner control valve position sensor, intake manifold tuning valve motor and manifold absolute pressure (MAP) sensor.
  14. Release harness retainers (A) from intake manifold.
    GNSALBIA0508Z-508Courtesy of NISSAN NORTH AMERICA, INC.
  15. Loosen nuts and bolts in reverse of the sequence shown and remove the intake manifold.
    Fig 2: Intake Manifold Tightening Sequence
    GNSALBIA0506Z-506Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Do not reuse intake manifold gasket.
    • Cover engine openings to prevent entry of foreign materials.
    NOTE:
    • Disregard No. 6 when loosening.
    • When removing intake manifold, make sure to remove harness retainers (A) from bottom of intake manifold.
      GNSALBIA0507Z-507Courtesy of NISSAN NORTH AMERICA, INC.
  16. Remove intake port insulator.
    CAUTION: Do not reuse intake port insulator gasket.
  17. Remove the intake manifold stud (if necessary).
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