GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Drain Cock Replacement

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement .

    3. Object Number: 70033 Size: SH
  3. Remove the radiator drain plug and seal. The seal usually comes out attached to the plug.
  4. Remove the body of the drain plug. Use your fingers or needlenose pliers to disengage the locking tabs from the side tank.
  5. Clean the drain cock and the drain cock plug.

Installation Procedure

    Object Number: 70033 Size: SH
  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. Install the lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement .
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .