69 19 Precautionary Measures When Handling Oxygen Sensors - Porsche 996 TT Repair Manual

24 69 19 Precautionary measures when handling
oxygen sensors
Caution
CAUTION
Oxygen sensor can be damaged if handled improperly.
Do not remove the plastic cap on the thread until just prior to fitting the oxygen sensor. The thread
•
grease must under no circumstances come into contact with the connector.
• Protect sensors
• Sensors that were dropped on the floor must not be used owing to the risk of a broken ceramic
insulator.
• The cables must not be twisted or kinked when the sensors are screwed in. Avoid pulling on the cable
and connector.
Cleanliness in the housing of the plug connections is of utmost importance for the function of the
•
oxygen sensor. Particles of dirt can impair the function of the oxygen sensor. Therefore, the connector
must be protected against any and all types of soiling.
• Sensors with soiled or damaged connector must no longer be used.
• Protect the cables and plugs when transporting the exhaust system with the sensors already fitted.
High−pressure cleaning equipment must not be used in the area of the sensors and plug connections.
•
• Contact and corrosion agents, e.g. Stabilant, must not be applied on the plug contacts of the oxygen
sensors.
996420, 996421, 996450, 996451, 996620, 996621, 996650, 996651, 996840, 996841

24 69 19 Precautionary measures when handling oxygen sensors

before and after fitting against mechanical shocks.
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