There is no drain plug for air conditioning. All is done through the service ports with a recovery / charging station machine. Some gm compressors have a crank case plug, but that is not a drain plug; it is to add oil when servicing the compressor.
The 2001 Buick Regal has 12 valves.
The 2001 Buick Regal has a V6 engine.
The 2001 Buick Regal has overhead valves (OHV).
The 2001 Buick Regal is a gas-powered vehicle.
The 2001 Buick Regal has a 4-speed automatic.
Where is the map sensor on a 2001 Buick Regal Ls
How do you replace the morror assembly for a 2001 Buick Regal
The height of the 2001 Buick Regal is 4 ft. 8.6 in. (56.6 in.).
The 2001 Buick Regal runs on regular unleaded.
The 2001 Buick Regal is 16 ft. 4.2 in. (196.2 in.) long.
The 2001 Buick Regal has 54.4 in. of front hip room.
The 2001 Buick Regal has 42.4 in. of front leg room.