nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

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Catalytic Converter: Service and Repair

EXHAUST MANIFOLD AND THREE WAY CATALYST 

EXHAUST MANIFOLD AND THREE WAY CATALYST

REMOVAL 

1. Remove the engine undercover.
2. Disconnect the electrical connector of each heated oxygen sensor, and unhook the harness from the bracket and middle clams on the cover.

3. Remove the heated oxygen sensors with Tool.

CAUTION: Be careful not to damage heated oxygen sensor.

Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 inch) onto a hard surface such as a
concrete floor; use a new one.

4. Remove the lower exhaust manifold covers.
5. Remove the exhaust front tube. 
6. Remove the upper exhaust manifold cover.

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