Grand Prix V6-191 3.1L VIN M SFI (1998)
Radiator Drain Plug: Service and Repair
REMOVAL PROCEDURE
1. Drain the coolant from the radiator. Refer to Draining and Filling Cooling System in Service and Repair.
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.
INSTALLATION PROCEDURE
1. Install the seal on the drain plug stem.
2. Install the drain plug. Ensure 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 in Service and Repair.
4. Inspect for leaks.