For 1990-2009 cars

## Coolant Level Sensor Low Coolant Module

### Removal Procedure

1. Partially drain the radiator. Refer to Cooling System Draining and Filling .
2. Disconnect the battery ground (negative) cable. Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

   .
3. Disconnect the electrical connector from the low coolant module.
4. Remove the low coolant module.
5. To unlock the low coolant module, lift one leg of the snap clip from its locked position and pull outward with a slight twisting motion.
6. Check the condition of the O-ring seal.

### Installation Procedure

1. Install the O-ring. Lubricate the O-ring seal with coolant.
2. Place the snap clip leg in place.
3. Install the low coolant module.
4. Connect the electrical connector to the low coolant module.
5. Connect the battery ground (negative) cable. Refer to

   Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

   .
6. Fill the radiator. Refer to Cooling System Draining and Filling .

Important: To properly fill the system requires the use of the air bleed vents. Refer to Cooling System Draining and Filling .

7. Inspect for leaks.