K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
Coolant Level Sensor: Service and Repair
Wiring Diagram
Removal Procedure
CAUTION: Take care when handling the coolant sensor. Damage to the coolant sensor affects the proper operation of the fuel control system.
1. Relieve the coolant pressure.
2. Disconnect the negative battery cable.
3. Drain the cooling system below the level of the sensor.
4. Disconnect the electrical connector releasing locking tab.
5. Remove the coolant sensor from engine.
Installation Procedure
1. Coat the threads (only) with sealer P/N 9985253 or equivalent.
Tighten
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Tighten the sensor to 13 Nm (10 lb. ft.).
2. Install the coolant sensor in the engine.
3. Connect the electrical connector.
4. Refill the coolant system.
5. Connect the negative battery cable.
