911 Turbo Cabriolet AWD (997) F6-3.6L Turbo (2008)
4.1. Loosen and unscrew lambda sensor 4-6 -4- upstream of catalytic converter -8- using an open ring wrench Nr.98 and torque wrench -92/1-.
4.2. Loosen and unscrew lambda sensor 1-3 -3- upstream of catalytic converter -9- using an open ring wrench Nr.98 and torque wrench.
Installing lambda sensor upstream of catalytic converter
1. Observe precautionary measures when working with lambda sensors.
INFORMATION:
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When reinstalling oxygen sensors, grease the thread with the Optimol Paste MF lubricant (Part No. 000.043.207.07) only.
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New oxygen sensors have already been greased and the thread is fitted with a protection cap.
2. Install lambda sensor.
2.1. During reinstallation, the thread of the lambda sensors must be coated with the prescribed grease.
2.2. Install lambda sensor on side 4-6.
Position lambda sensor 4-6 -4- upstream of catalytic converter -8- and tighten with an open ring wrench Nr.98 and torque wrench.
Tightening torque: 55 Nm (41 ftlb.)±5 Nm (±3.5 ftlb.)
3. Install lambda sensor on side 1-3.
3.1. During reinstallation, the thread of the lambda sensors must be coated with the prescribed grease.