### Sending Units and Sensors

#### REMOVAL & INSTALLATION

##### Coolant Temperature Sensor

1. Disconnect the negative battery cable.
2. Drain the cooling system until coolant level is below coolant sensor.
3. Disconnect electrical connector from the sensor.
4. Remove the sensor from the engine. On some applications, the coolant sensor threads into the thermostat housing.
5. Installation is the reverse of the removal procedure. Fill and bleed cooling system.

##### Oil Pressure Switch

1. Disconnect the negative battery cable.
2. Disconnect electrical connector from the oil pressure switch.
3. Remove the oil pressure switch from the engine.
4. Installation is the reverse of the removal procedure. Check oil level.