Impala V6-3.9L (2007)
Fill) Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8, 9C1, 9C3, GE47716 Fill)
Draining and Filling Cooling System (LZE, LZ4, LZ8 Static Fill).
7. Inspect the system for leaks.