camshaft sensor

Evening I'm after a bit of help I'm just wondering if the timing belt has to come off to replace the camshaft sensor on the 2.0 tdi pd170. I pulled the grommet out but I can't seem to see the bolt that holds the sensor in place. Thanks

Hi. Whilst driving yesterday the car, a 1.2 12v 3 cylinder mk4, dropped down on power dramatically and limped along for a mile before stopping completely. It would sometimes start and sometimes not thereafter. At first my OBD2 reader reported P0606 ECM fault and P0341 Camshaft sensor signal. I...