For 1990-2009 cars

### Removal Procedure

#### 5.7L Engine Only

1. Open the radiator drain cock.
2. Drain the coolant to a level below the coolant level indicator module.
3. Close the radiator drain cock.

Tighten
Tighten the radiator drain cock to 1.5 N·m (13 lb in).

4. Remove the battery. Refer to Battery Replacement in Engine Electrical.
5. Disconnect the electrical connector at the module.
6. Remove the coolant level indicator module from the radiator.

### Installation Procedure

1. Install the module to the radiator.

1.1. | Apply lubricant to the O-ring.

1.2. | Align the coolant indicator module to the module port in the radiator.

1.3. | Press the module probe into the radiator module port housing until the retainer spring snaps onto the port flange.

2. Connect the electrical connector at the module.
3. Install the battery. Refer to Battery Replacement in Engine Electrical.
4. Refill the engine coolant. Refer to Cooling System Draining and Filling .