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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Mechanical) >> Removal And Installation >> Three Way Catalyst >> Removal and Installation (bank 2) >> Removal

Removal and Installation (bank 2): Removal

WARNING: This page is about a different car, the 2018 Nissan Maxima. 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.
NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
  1. Remove the radiator cooling fan assembly. Refer to Removal and Installation .
  2. Remove hood ledge covers (LH/RH).
  3. Remove radiator hose (upper). Refer to Exploded View .
  4. Remove heater pipe. Refer to Exploded View .
  5. Remove water bypass pipe. Refer to Exploded View .
  6. Remove heater hose.
  7. Remove engine under cover. Refer to Exploded View .
  8. Remove the front exhaust tube. Refer to Exploded View .
  9. Remove the three way catalyst support (bank 2).
  10. Disconnect harness connectors from heated oxygen sensor 2 (bank 2) and air fuel ratio (A/F) sensor 1 (bank 2).
  11. Remove heated oxygen sensor 2 (bank 2) (if necessary), using suitable tool.
    CAUTION:
    • Be careful not to damage heated oxygen sensor 2 (bank 2).
    • Discard any heated oxygen sensor 2 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.
  12. Remove exhaust manifold heat shield (bank 2).
  13. Remove the three way catalyst (bank 2) by loosening the bolts first and then removing the nuts and through bolts.
  14. Remove the three way catalyst (bank 2) heat shield (if necessary).
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