We're working on a Thomas International School Bus with a DT 466E that requires a Cam Sensor. It's located in the front of the engine in the gear cover and reads engine rotation sending a signal to the Engine Electronic Control Unit.
The Engine will not run (or run very rough) with a failed cam sensor and the Pro-link diagnostic tool will verify the sensor failure. The depth is checked with a dial indicator that has been calibrated according to the new sensor part number. Shims may be removed or added to get the proper clearance which is between .025 and .030 of an inch.
The belt has to be removed and the engine rotated twice to check the run out and get an accurate reading. Here's a look at the calibrating kit (below) that must be used to read the depth of the bore where the sensor is mounted.
There can't be any interference fit, this will damage the sensor. The new sensor is seen here on the left while the rest of the calibration tools are nestled in the carrying case. That's all there is to it when changing the cam sensor on a DT 466E Diesel Engine on a International School Bus.
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