Porsche Workshop Service and Repair Manuals

4. Align clamping sleeve. The position is designated by embossed arrowheads. The clamping sleeve is positioned in the centre between the

arrowheads. Tighten clamping sleeve.
Tightening torque 46 Nm (34 ftlb.)

5. Fasten the fastening clamp between catalytic converter and engine carrier.

6. Fasten oxygen sensor behind catalytic converter.

7. Route the oxygen sensor cable to the plug connection in the engine compartment. 

"Black" plug connection to "black" plug of the oxygen sensor.
"Grey" plug connection to "grey" plug of the oxygen sensor.
(black - in front of catalytic converter) 
(grey behind catalytic converter)