Easiest way to drain the radiator is to remove the lower coolant hose.
Oil pan.
On the bottom of the radiator. If there is no drain plug, simply remove the lower radiator hose to drain the coolant from the radiator.
To drain the radiator on a 1999 Ford Expedition, place a bucket under the radiator. Unscrew the radiator drain hose or valve on the bottom of the radiator. Remove the radiator cap.
You will find that it is located on the bottom of the radiator. If you do not find a drain Petcock on the bottom of the radiator you must remove the lower radiator hose in order to drain the radiator.
Unscrew the drain plug, or pull the bottom radiator hose off
how do you drain s 1999 olds cutlass radiatoe
DRAIN PLUG IS ON RIGHT SIDE OF RADIATOR. YOU NEED TO REMOVE THE PLASTIC PROTECTION UNDER THE RADIATOR TO GET TO IT.
SLIDE OFF THE LOWER RADIATOR HOSE AT THE RADIATOR...
Open the petcock or remove the lower radiator hose from the radiator.
It is on the bottom of the radiator on the drivers side.
It is on the bottom, passenger side of the radiator.
The radiator petcock drain on a 1999 Pontiac Bonneville is on the bottom of the radiator. Look for a small black plug that looks like the plug found on a thermos or cooler.