Radiator Drain Plug: Service and Repair

Drain Cock Replacement

Removal Procedure
1. Drain 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 tabs from the side tank.
4. Clean the drain cock and the drain cock plug.

Installation Procedure





1. Install the seal on the drain cock plug stem.
2. Install the drain cock plug. Make sure that the body is fully seated in the side tank and that the locking tabs are engaged.
3. Fill the cooling system.