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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 615 (Engine Mechanical) >> Removal And Installation >> Exhaust Manifold And Three Way Catalyst >> Removal and Installation (bank 2) >> Removal

Removal and Installation (bank 2): Removal

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Perform the work when the exhaust system has completely cooled down.
  • When removing the front and rear engine mount through bolts and nuts, lift the engine up slightly for safety.
NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
  1. Remove the air cleaner case (upper), air cleaner case (lower), and air duct hose and resonator assembly. Refer to Removal and Installation .
  2. Remove battery tray. Refer to Removal and Installation .
  3. Remove transaxle air breather hose. Refer to Removal and Installation .
  4. Remove the front wheels and tires using power tool. Refer to Adjustment .
  5. Remove the front under cover. Refer to Removal and Installation .
  6. Remove the front fender protector side covers (LH and RH). Refer to Exploded View .
  7. Remove the radiator assembly. Refer to Removal and Installation .
  8. Remove radiator shroud and cooling fan assembly. Refer to Removal and Installation .
  9. Remove the front exhaust tube. Refer to Exploded View .
  10. Support the engine with a suitable tool.
  11. Remove the engine mount bracket (front). Refer to Exploded View  (FWD) or Exploded View  (AWD).
  12. Remove the three way catalyst support (bank 2).
  13. Remove heated oxygen sensor 2 (bank 2), air fuel ratio (A/F) sensor 1 (bank 2).
    1. Disconnect the harness connector from each sensor, and remove the harness from the bracket and middle clamp.
    2. Remove both heated oxygen sensor and air fuel ratio (A/F) sensor using Tool.

      Tool numbers

      : KV10114400 (J-38365)

      : KV991J0050 (J-44626)
      CAUTION:
      • Do not damage heated oxygen sensors or air fuel ratio (A/F) sensors.
      • Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; replace with a new sensor.
  14. Remove exhaust manifold cover (bank 2) bolts in reverse of the sequence shown, below.
    GNSALBIA3200Z-200Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Do not reuse exhaust manifold cover (bank 2) bolts.
    NOTE: Number 5 is not applicable to removal.
  15. Remove the three way catalyst (bank 2) by loosening the bolts first and then removing the nuts and through bolts.
  16. Loosen and remove the exhaust manifold nuts (bank 2) in reverse of the sequence shown, below.
    G08768759Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: Number 7 and 8 are not applicable to removal.

    SYMBOL

    : Engine front
  17. Remove the exhaust manifold (bank 2) and exhaust manifold gasket.
    CAUTION: Do not reuse exhaust manifold gasket.
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