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Crankshaft position sensor

Crankshaft position sensor

Warning

The exhaust pipe from the turbo can be extremely hot, so observe great care.


To remove


1. Detach the heat shield on the exhaust manifold.


2. Undo the bolts securing the heat shield and sensor.

3. Remove the sensor and O-ring.


4. Follow the sensor connecting cable and detach the securing clip on the water pipe.

5. Detach the connector from the holder.

6. Unplug the connector.

7. Change the sensor.


To fit


1. Fit the sensor provisionally so that the cable runs along the water pipe. Change the O-ring if necessary and apply engine oil.


2. Spray the connector with Kontakt 61 (part no. 30 04 520), press together the connectors and fit to the holder.

3. Secure the cable with the securing clip. Be careful not to pinch the cable or damage it on the clip.

4. Press in and screw on the sensor with the O-ring fitted together with the heat shield. Make sure the O-ring is positioned correctly so that the sensor bottoms in the engine block. Otherwise, the lug on the sensor may be broken off.


5. Lubricate the bolt on the exhaust manifold heat shield with Molykote 1000 or equivalent (part no. 30 20 271) and fit the heat shield.

6. Start the engine and check for any leaks.

Tightening torque 50 Nm (36 lbf ft).