Fuel Shut-off Solenoid: Service and Repair

Figure 3-13: ESO Solenoid Replacement:

Engine Shut-Off Solenoid Replacement

Removal
1. Disconnect the electrical connector from the ESO solenoid (Figure 3-13).

NOTE: Remove any debris from the ESO mounting surface on the injection pump before servicing the ESO solenoid. This will prevent contaminants from getting into and damaging the injection pump.

2. Remove the solenoid (style may vary) and O-ring from the injection pump housing.

Figure 3-14: Two Styles Of Solenoids:

Installation
3. Install the O-ring seal above the threads at the bottom of the new solenoid (Figure 3-14).
4. Install the replacement solenoid into the injector pump housing and torque to 19 lb-ft (25 N.m).
5. Connect the electrical connector to the ESO solenoid.
6. Start the engine and check for leaks.