Impala V6-3.5L VIN N (2006)
Radiator Drain Plug: Service and Repair
Drain Cock Replacement
Removal Procedure
1. Drain the cooling system. Refer to Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ9
Static Fill) Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and
Filling Cooling System (LZE, LZ4, LZ9, 9C1, 9C3 GE 4771 Fill).
2. Unscrew the radiator drain cock from the radiator.
3. Remove the drain cock from the radiator side tank with a firm tug.
4. Remove the drain cock seal from the drain cock.
Installation Procedure
1. Install the seal on the drain cock stem.
2. Install the drain cock. Make sure that the body is fully seated in the side tank of the radiator.
3. Screw the radiator drain cock in to the radiator.
4. Fill the cooling system. Refer to Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ9
Static Fill) Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and
Filling Cooling System (LZE, LZ4, LZ9, 9C1, 9C3 GE 4771 Fill).
