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CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – 019-038   Engine Position Sensor (EPS)

Table of Contents

Remove
Inspect for Reuse
Install

Remove

 TOC

Both engine position sensors (primary and backup) are located on the back side of the front gear housing above the fuel pump drive. The primary engine position sensor (Number 1) is located above the backup engine position sensor (Number 2). Refer to Procedure 100-002 for a detailed component location view.

Disconnect the sensor from the engine harness.

Remove the engine position sensor from the front gear housing.

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Inspect for Reuse

 TOC

Inspect the engine position sensor for debris, cracked or damage from contact with the tone wheel.

If there is debris on the engine position sensor, clean the sensor.

If the sensor is chipped, cracked, extruded, or damaged, replace the sensor with a new one.

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Install

 TOC

Install a new o-ring onto the engine position sensor.

Install the new sensor into the mounting hole.

Install the mounting capscrews.

Torque Value:  20  n.m  [15 ft-lb]

Connect the sensor to the engine harness. Push the connectors together until they lock.

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Last Modified:  14-Feb-2006
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