Radiator Drain Plug: Service and Repair

Drain Cock Replacement

Removal Procedure
1. Drain the engine coolant from the cooling system.





2. Remove the radiator drain plug and seal by aligning the pin on the drain plug to the notch on the radiator and pulling straight out. The seal usually comes out attached to the plug.
3. Clean the drain and the drain plug.
4. 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.
3. Fill the cooling system.
4. Inspect for leaks.