GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Impala 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Drain Cock Replacement

Removal Procedure
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .

    2. Object Number: 539996 Size: SH
  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

    Object Number: 539996 Size: SH
  1. Install the seal on the drain plug stem.
  2. Install the drain plug. Make sure that the body is fully seated in the side tank and that the locking tangs are engaged.
  3. Fill the cooling system. Refer to Cooling System Draining and Filling .
  4. Inspect for leaks.