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Radiator Drain Plug: Service and Repair

Removal Procedure

1. Using a lt4 inch square drive or a 3/16 inch hex drive in order to turn the drain cock counterclockwise in order to open the drain cock.
2. Pull the stem out of the radiator body.
3. Clean or replace the seal and stem as necessary.

Installation Procedure

1. Return the stem to the radiator body.
2. Use the 1/4 inch square drive or 3/16 inch hex drive in order to turn the drain clockwise in order to close the drain cock.