Nissan B08B2-EV50A Three Way Catalytic Converter

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To replace a catalytic converter, follow these steps: Lift the vehicle securely on jackstands. Apply penetrating oil to catalyst-to-exhaust manifold studs, clamp bolt nuts, and bracket fasteners. Disconnect the downstream oxygen sensor and remove it. Remove the upper and lower catalyst mounting nuts. Take out the catalytic converter and discard old flange gaskets. For installation, follow the reverse procedure, using new flange gaskets and replacing any damaged fasteners while ensuring tight nut fastening.