Radiator Drain Plug: Service and Repair

Drain Cock Replacement

Removal Procedure





1. Drain the cooling system.
2. Unscrew the radiator drain cock from the radiator.
3. Remove the drain cock from the radiator side tank with a firm tug.
4. Remove the drain cock seal from the drain cock.

Installation Procedure





1. Install the seal on the drain cock stem.
2. Install the drain cock. Make sure that the body is fully seated in the side tank of the radiator.
3. Screw the radiator drain cock in to the radiator.
4. Fill the cooling system.