There usually is a drain petcock on the bottom middle or end, however the are now made of plastic and if they break it is a hassel to find a new one and then you may have to pull the radiator to get at it so I usually pull a end off the lower hose.
Before changing the radiator on a 2001 Pontiac Montana the coolant must first be drained. After the drain remove the radiator mounts, fans, and hoses. Pull the radiator upwards.
If it is a plastic radiator and it is stripped, no, if it is metal yes.
The 1992 V-6 Pontiac Sunbird radiator drain plug, is located on the bottom of the radiator. The drain plug can be removed with a 5/8 socket.
Drain the water from the radiator. Remove the water hoses. Remove the retaining bolts. Reverse the process to install the new radiator.
there may not be one if there is is it on the bottom side and if it is not you candrain it by removing the bottom rad hose The 1999 Pontiac Grand Am does not have a radiator drain valve. To drain the radiator, remove the lower radiator hose. The engine should be cold and the water fill cap removed for venting. 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 drain the radiator on a 2004 Pontiac GTO it is necessary to pull the lower radiator hose off. There is not a separate drain plug on this radiator.
Look at the bottom or rear of radiator
on the radiator
The 1991 Pontiac Grand Am radiator drain plug can be found on the bottom of the radiator. The radiator drain plug will be in the center of the radiator bottom.
on the driver side ...reach ya hand up under and you should feel a butterfly type bolt.
bottom of radiator
The coolant drain on a 2003 Pontiac Grand Am is located on the bottom of the radiator on the right side. It allows coolant to be quickly removed during maintenance and flushes.