porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 1815 > < Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 1813
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1.1. Unclip cable plug -1- and connecting cable -2- from the holder on the rear-axle carrier.
1.2. Release and disconnect cable plug.

2. Expose connecting cable on the cylinder head as far as the lambda sensor downstream of the catalytic converter.

2.1. Take photographs of the line routing using a digital camera if necessary.

3. Remove lambda sensor downstream of catalytic converter -arrow-.

3.1. Make sure that the connecting cable can also turn when removing the lambda sensor.

Installing lambda sensor downstream of catalytic converter

1. Visually check the sealing ring -arrow- and thread on the lambda sensor for damage.

1.1. Replace lambda sensor if damaged.

2. Fit lambda sensor.

2.1. Grease thread of lambda sensor with a light coating of Optimol Paste MF (000.043.207.07) before refitting. New lambda sensors are

pre-greased for installation.

Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 1815 > < Removing and Installing Lambda Sensors Upstream of Catalytic Converter|Page 1813