Exhaust system 991 Carrera (996) · Oxygen sensor can be damaged if handled improperly. &

Exhaust system 991 Carrera (996) 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 circumstancescome into contact with the plug. > Protect sensors -before and after fitting -against mechanicalshocks. 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 plug. > Cleanlinessin the housing of the plug connectionsis of utmost importance for the function of the oxygen sensor. Particles of dirt can impair the function of the oxygen sensor. Therefore,the plug must be protected against any and all types of soiling. Sensorswith soiled or damaged plug must no longer be used. Protect the cables and plugs when transporting the exhaustsystem with the sensors alreadyfitted. > High-pressurecleaning equipmentmust not be used in the area of the sensors and plug connections. 26 -14 26 73 20 Removing and installing catalytic converters -engine installed 9962613 Printed in Germany -38, 1999 >