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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 1) >> Removal

Removal and Installation (bank 1): 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.
  • When removing the front and rear engine mounting 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 hood ledge covers (LH/RH).
  2. Remove intake manifold collector. Refer to Removal and Installation .
  3. Remove the front fender protector side cover. Refer to Exploded View .
  4. Remove drive shaft (RH). Refer to Removal and Installation (RH) .
  5. Remove the front exhaust tube. Refer to Exploded View .
  6. Disconnect harness connectors from heated oxygen sensor 2 (bank 1) and air fuel ratio (A/F) sensor 1 (bank 1).
  7. Remove heated oxygen sensor 2 (bank 1) (if necessary), using suitable tool.
    CAUTION:
    • Be careful not to damage heated oxygen sensor 2 (bank 1).
    • 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.
  8. Remove exhaust manifold heat shield (bank 1).
  9. Remove the three way catalyst support (bank 1).
  10. Remove the three way catalyst (bank 1) by loosening the bolts first and then removing the nuts and through bolts.
  11. Remove the three way catalyst (bank 1) heat shield (if necessary).
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