Impala Forums banner
1-1 of 1 Results
  1. Chevy Impala 7th Gen Discussion
    About to do a coolant flush on my 04, 3800 Series II. Anyone know where the engine coolant drain is located? I’ve heard a couple different things from different sources. Some say it’s the same threaded holes as the knock sensors, some say theres a drain plug above the oil pan, and some say there...
1-1 of 1 Results