Radiator Drain Plug: Service and Repair

Removal Procedure





1. Drain the engine coolant from the cooling system.
2. Remove the radiator drain plug and seal. The seal usually comes out attached to the plug.
3. Remove the body of the drain plug. Use your fingers or needlenose pliers to disengage the locking tangs from the side tank.
4. Clean the drain and the drain plug.
5. Inspect the drain and the drain plug. Repair or replace as necessary.

Installation Procedure





1. Install the seal on the drain plug stem.
2. Install the drain plug. Make sure that the body is fully seated in the side tank and that the locking tangs are engaged.
3. Fill the cooling system. Refer to Draining and Filling Cooling System.
4. Inspect for leaks.