GM discontinued installing radiator petcocks in the mid -90's. Remove the lower radiator hose to drain the radiator
sierra is my name and dont forget it
you need a new thermostat and possibly some anitfreeze
we are in the 21st centery now
a hundred years make a centery
my century buick 2001 fail inspection because of a mil malfunction indicator lamp control cicuit how can it be fix also i also seen sumthing said it had to two indicator lamps
Remove 1 spark plug wire and hold it approx. 1" from metal part on engine Have assistant crank engine over and look for spark
1100 a.D.
well if your looking to let your coolant out , the fastest way is to forget about the draincock and remove the lower rad hose with a bucket or pan underneath. huge timesaver.
Either at the bottom or rear of the radiator
they are from the 21st centery and that is the centery we are living in so they are probably about 15/16.
Loads of things
in the 20th centery