on the passenger side bottom corner of the radiator. kind of hard to reach
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. .
Look at the bottom or rear of the radiator
There is no drain cock on the '07 G6 GT. The easiest way to drain is from the water pump connection at the bottom passenger side of the radiator.
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.
try at the very bottom and on the driver side , may be made of plastic
drain is on the lower side of the radiator opposite of the fill neck. You will need to remove the splash shield from underneath the car to view the petcock. check out www.pontiacbonnevilleclub.com for more info.
On the left hand side of the radiator on the bottom. It's hard to get to and make sure you don't lose the drain cock because it is difficult to replace.
where is drain 94 cobra
Snaps in a drain hole to cover up the drain.
The pet-cock or drain-cock for most GM cars are reverse thread. In other words, instead of "lefty loosy-righty tighty" the pet-cock turns to the right to open, and to the left to close.
If you have a bath mixer installed, open the drain cock, then cover the outlet of the mixer with your hand and open the hot water. Open the cold water just afterwards, this will create a back pressure and force whatever is blocking or clogging the drain cock to come out.
It's a small drain cock on the bottom of the radiator.