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Home >> Mazda >> 2005 >> B4000 SE, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 615 (Exhaust System (2.3L)) >> Three-Way Catalytic Converter Removal/Installation - 2.3L

Three-Way Catalytic Converter Removal/Installation - 2.3L

WARNING: This page is about a different car, the 2005 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. See LIFTING .
  2. Disconnect the downstream oxygen sensor connector.
  3. Remove the downstream oxygen sensor. See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .
  4. Remove the muffler and tailpipe. See MUFFLER AND TAILPIPE REMOVAL/INSTALLATION - 2.3L .
  5. Remove the nuts.
    NOTE:
    • The exhaust hanger bracket insulators can be reused if they show no signs of damage.
  6. Remove the three-way catalytic converter and the exhaust outlet pipe frame brackets.
  7. Install the exhaust inlet pipe gasket, the three-way catalytic converter and the exhaust outlet pipe frame brackets.
  8. Install the nuts.

    Tightening torque 

    34-46 N.m { 3.5-4.69 kgf.m, 25-34 lb.lbf } 

  9. Install the muffler and tailpipe. See MUFFLER AND TAILPIPE REMOVAL/INSTALLATION - 2.3L .
  10. Lower the vehicle.
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