For 1990-2009 cars

### Removal Procedure

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Drain the coolant. Refer to Cooling System Draining and Filling .
3. Pull the drain cock stem out of the radiator body.
4. Clean or replace the seal and the drain cock stem as necessary.

### Installation Procedure

1. Return the drain cock stem to the radiator body.
2. Use a ¼ inch square drive or a 3/16 inch hex drive in order to close the radiator drain cock valve.
3. Refill the cooling system. Refer to Cooling System Draining and Filling .
4. Lower the vehicle.