Bottom of the radiator. There is a petcock located on the lower drivers side of the radiatore. Turn it counter clockwise and pull out at the same time.
Look closely at the radiator. Check the bottom corner of the radiator that is opposite of the lower radiator hose. If there is no drain plug or petcock, then the coolant will need to be drained by removing the lower radiator hose.
After opening the hood, look down the right side of the radiator. (the side with the radiator cap) The drain plug is at the bottom facing the rear of the vehicle. No need to remove it, only loosen.
There are no drain plugs on a Lacrosse's radiator. GM stopped them after 2003 model year. To drain the radiator, you'll need to remove the lower radiator hose.
DRAIN PLUG IS ON RIGHT SIDE OF RADIATOR. YOU NEED TO REMOVE THE PLASTIC PROTECTION UNDER THE RADIATOR TO GET TO IT.
The bottom radiator hose is the drain plug. I guess the designers decided that there was no need for a drain plug any more.
Generic answer.Most drain plugs are at the lowest point of the radiator.if no plug is fitted, you will need to remove the bottom hose to drain the radiator.
Look towards the car in the front. The plug is located bottom left front of the radiator. You will need square drive to loosen the plug.
I have a 2000 Pontiac Grand AM and radiator drain cock is located at the lower/front (not bottom) at the curbside of the radiator, you will need a hex key to back out petcock.
In order to flush the radiator you will need to remove the lower tray to access the hose. Unscrew the drain plug attached to the hose and let the radiator drain.
The drain cock is at the bottom of the radiator above the splash shield. Either you will need to remove the shield or you will need a piece of 3/8" hose about 12 to 14 inches long to attach to the drain tube.
I'm not sure about this particular car but not all radiators have a drain plug. If you cannot locate the drain plug then simply remove the bottom radiator hose to drain the radiator. Keep in mind that you may need to replace the hose clamp if it has the one-use factory style clamp. The drain plug is directly below your upper radiator hose at the bottom of the radiator.
Sediment blockage. You need to have your radiator power flushed to get all the build-up out.