nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Evaporative Emissions System > < Oxygen Sensor - Thread Cleaning and Other Precautions|Page 6907
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Catalytic Converter: Testing and Inspection

PROCEDURE 

The body of the catalytic converter should be inspected for distortion and other types of damage. Excessive heat can bulge or distort the converter.
Since excessive heat build up is not the fault of the converter, the fuel or ignition system should be checked whenever a converter is damaged by
overheating. Also inspect for missing or improperly installed catalytic converter heat shields.

Evaporative Emissions System > < Oxygen Sensor - Thread Cleaning and Other Precautions|Page 6907