GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Classic
🢒
Engine
🢒
Engine Cooling
🢒 Radiator Drain Cock Replacement
Removal Procedure
Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Drain the coolant. Refer to
Cooling System Draining and Filling
.
Pull the drain cock out of the radiator body.
Clean or replace the seal and the stem as necessary.
Installation Procedure
Return the drain cock to the radiator body.
Use a ¼ inch square drive or a 3/16 inch hex drive in order to close the radiator drain valve.
Refill the cooling system. Refer to
Cooling System Draining and Filling
.
Lower the vehicle.