The Camshaft Position Sensor, formerly the TDCSensor, is located at the left front side flywheel housing. It is located above the air compressor. See Figure 43261 . The Camshaft Position Sensor should be replaced when the sensor fails to operate.
Remove the Camshaft Position Sensor as follows:
Note: If the air compressor is still attached to the engine at this point, is may be necessary to remove the compressed air lines before removing the Camshaft Position Sensor. See Figure 42477 .
1. Discharge Port
4. Unloader Port
2. Unloader Air Line
5. Discharge Air Line
3. Intake Air Line
6. Air Compressor
Air Compressor Air Line Attachments
Install the Camshaft Position Sensor as follows: